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Illustrative purposes only
RN4871U-V/RM118
Bluetooth 5.0 Module, 1.9V to 3.6V Supply, 10Kbps, -90dBm Sensitivity, 2.402GHz to 2.480GHz
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: MICROCHIP
- Product type: Bluetooth Modules & Adaptors
- Bluetooth Version:Bluetooth 4.2; Supply Voltage Min:1.9V; Supply Voltage Max:3.6V; Signal Range Max:-; Data Rate:10Kbps; Bluetooth Class:-; Receive Sensitivity:-90dBm; Operating Tem
- SVHC: No SVHC (04-Feb-2026)
- Interfaces: I2C, SPI, UART
- Product Range: RN4870/71
- Certifications: CE, FCC, ISED, KC, NCC, SRRC
- Bluetooth Class: -
- Bluetooth Version: Bluetooth 5.0
- Supply Voltage Range: 1.9 V to 3.6 V
- Receiver Sensitivity Rx: -90 dBm
- Operating Temperature Range: -20 °C to 70 °C
| Delivery and price | |
|---|---|
| Units per pack | 250 |
| Price | 5.78 € |
| Current stock | 100+ |
| Lead time | 30 days |
Datasheet
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MICROCHIP RN4870/71<br>samme<br>Bluetooth® Low Energy Module<br>|<br>*FeaturesQualified for Bluetooth SIG v5.0 Core Specification ) Bk.= —_ 94y--0 =i Ee-<br>* Certified to FCC, ISED, CE, KCC, NCC and SRRC wert em craps ee<br>* On-Board Bluetooth Low Energy (BLE) Stack T a | fo 1<br>* ASCII Command Interface API Over UART | | lS S :tee<br>* Scripting Engine for Hostless Operation wt Va -. ¥ micrRocHie = 7<br>* comesCompactin four Form different Factor — sizes, The RN4870/71 from 6 mm xfamily8 mm i ASICHIP0. - iB1 RNAB7OUa So ><br>to 12 mm x 22 mm: _ » ott 15e3<br>- RN4870: 12 mm x 22 mm ! a 4 is726, Foye?<br>- RN4871:<br>9 mmx 11.5 mm +9 BY<br>- RN4870U: 12 mm x 15 mm<br>- RN4871U: 6 mm x 8mm<br>* Beacon Private Service for Beacon Services a CC<br>« ApplicationsUART Transparent Service for Serial Data ——i. —; r=! 43<br>* Remote Configuration Over-the-Air eae = = ae ) Pp<br>Operational mr AD . Bi :<br>* Operating Voltage: 1.9V to 3.6V (3.3V typical) 3 ee 2N487° = i= microcH!P ;<br>* Temperature- -20°C to +70°CRange:(Normal) oe.|a Eeaoe oe Whe*3) 'RN4871Uons aed<br>**----- End of picture text -----**<br>
- -40°C to +85°C (Industrial)
- ¢ Supports UART ¢ Up to Three Pulse-Width Modulation (PWM) . Outputs (only for RN4870) Antenna Options
## RF/Analog Features
- + ISM Band 2.402 to 2.480 GHz Operation
- ¢ Chip Antenna Range based on Open Air Measurements and Phone Module Connection: - RN4870: Up to 50m
- RX Sensitivity: -90 dBm
- TX Power: 0 dBm
## RSSI Monitor
## MAC/Baseband/Higher Layer Features
- Secure AES128 Encryption
- GAP, GATT, SM, L2CAP and Integrated Public Profiles
- ¢ Customer Can Create up to Five Public and Four Private Services
- Keyboard I/O Authentication
- Software Configurable Role as Peripheral or Central and Client or Server
- « External Antenna Connection via RF Pad (RN4870U/RN4871U)
## Applications
- Health/Medical Devices
- Sports Activity/Fitness Meters
- Beacon Applications
- ¢ Internet of Things (loT) Sensor Tag
- Remote Control
- « Wearable Smart Devices and Accessories
- Smart Energy/Smart Home
- « Industriel Goniral
eee © 2016-2021 Microchip Technology Inc. DS50002489E-page 1
## serene Table of Contents
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HOIDEVICS OVEIVIEW sccsercsesseaseeenmsiencceuprupseeceenreseyy turer rarer esuaeseasereeestucuus rasteaeye epee memes eUee peer wanaspeon bees sentEeD oeseeeuL DEP sER e csu e ysepsuERANeT e SeEC E ERD<br>ZiOiS PECIHCATORMS wscsivcesieteleset cessed lets ett aceek iced daa dada edb ne SU ila a ac Saba TOON OU BE GIN we a drebc Mle ELSON tea vasa ea wn eae aE A<br>SOME HACE! PINS teccseccvcrescescsup e se ee seceuesserersups sueseave se e rstec e rn eeeserrear s eaeianseerseon eer we teeeeees e en RTEmneeeneauny TO<br>4.0 Physical Dimensions and Attributes ............ 0c ceccccecccceceecseseeeeeeecceeeeceseseaeeecececeeseaeeeeceeecseeseeeaeeeeeeeseeeeeeeeesesesesaeseeeeesseseeseeeeeessssseee 1D<br>BIOLABPIICation | RETETEHEEAC CULTS wevcccvrssovssowensgesreosoreeps sep esovoreaseeuy repo ume vercoces tap eemvoretemeyseps opeetes Tomer Tye StEReTeeTHERD TEETER RUTTETOCEL TEETER TURUETEERNTEETOMD<br>BiOVAS CMG OMPMARGIAPliivscascctvcee ct eiensdak estate ebet scat WUE lla cet BEE laa ec eel eae ne Ube Ua oa sted el EOE Sas Se SOR Sea eb a nad SURE EOia eater eee<br>GO Supported! Services scewsomwersemssveceunes vepeemme verre very vee eermeun er peer er eeens eamreey eer eeea eee ey ee eeaeneeeeees ear eEET ear ee EE EEE OT<br>8:0: Antenna CharacteriSti@s rsicscesesue screens reeuseeesuess eee nese er assem ens reer eeeeeeeeeee OO<br>SLO MIMIAG! CHATACTERS CS woe ox scores msereseoresuwsscueoer:emeuoorceoensepeemtoueatemesserormeasurncentepeammoneEteresnersceeebersomeseteEes test soctb e eupsenpesunesteneup e rpeuerenset e ROD<br>MOLD ORASHAGIIAEGHTATGR sc2sicsccseMiebeasiite det eceh SRE aka edu t ass ONE ees adobe CON oa wee Rh SCO OR wOC 0RSO IB aT Ciacci Rie<br>14.0 Regulatory: Appnovaltwcseiwvexue veers rernaseeieenear ni nerneae neues: emer ennee ene EIT EEE ee OO<br>Appendix:A: Revision) History iscsi sssuereverurassemuesenenasiaenarennrane eenre ener e e icinemusenenanrie AO<br>Whe Microchip: WEDS secvvssesressessrescersereecersverserereyseuaprannerrw nenermnien rere em rane eer eee reine eRe AT<br>CustomenChange Motificalion Senwiee: wcciiccccescccisteccieitediosiwecunisiiecmeoreensuinieetoneesuiunamuoneemnnoueneeanstiedenieeeE<br>Customer SUDO sxcnsnerensemeeneee us ernea neuer ree sneer ee Rte EE EE EE AT<br>Product Identification System) sevssccsresssrsresssruseescausseessnsssetae aeeer eee Ter e userarseTR LeT e asaeaseenanaee AO<br>TO OUR VALUED CUSTOMERS<br>It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip<br>products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and<br>enhanced as new volumes and updates are introduced.<br>If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via<br>E-mail at docerrors@microchip.com. We welcome your feedback.<br>Most Current Data Sheet<br>To obtain the most up-to-date version of this data sheet, please register at our Worldwide Website at:<br>http://www.microchip.com<br>You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.<br>The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).<br>Errata<br>An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current<br>devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision<br>of silicon and revision of document to which it applies.<br>To determine if an errata sheet exists for a particular device, please check with one of the following:<br>* Microchip’s Worldwide Website; http://www.microchip.com<br>* Your local Microchip sales office (see last page)<br>When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you are<br>using.<br>**----- End of picture text -----**<br>
## Customer Notification System
Register on our website at www.microchip.com to receive the most current information on all of our products.
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ener reereee eee eee eee<br>DS50002489E-page 2 © 2016-2021 Microchip Technology Inc.<br>**----- End of picture text -----**<br>
samme| 1.0 DEVICE OVERVIEW Table 1-1 shows the various options for packaging and features available in the RN4870/71 family. Table 1-2 1.1 Overview provides the description of the pin functions for all the ; The modules in the RN4870/71 family. Figure 1-1 through RN4870/71 BLE module integrates Bluetooth 5.0 Figure 1-4 show the pinouts for the different modules. baseband controller, on-board Bluetooth stack, digital and analog I/Os and RF power amplifier into one solution.
|TABLE 1-1:<br>RN4870/71 FAMILY|TABLE 1-1:<br>RN4870/71 FAMILY||||
|---|---|---|---|---|
|PartNumber!)|On-Board<br>Antenna|Numberof<br>Pins||Operating<br>Temperature Range|
|RN4870-V/RMXXX|||12 mm x 22 mm|-20°C to +70°C|
|RN4870U-V/RMXXX|||12mm x 15 mm|-20°C to +70°C|
|RN4871-V/RMXXX|||9mm x 11.5 mm|-20°C to +70°C|
|RN4870-l/RMXXX|||12 mm x 22 mm|-40°C to +85°C|
|RN4871-l/RMXXX|||9mmx11.5mm|-40°Cto+85°C|
Note 1: The last three digits in P/N indicate the firmware version. At the time of publication, the latest firmware version is 1.28. Ensure to check the product webpage for the latest part number and firmware version.
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TABLE 1-2: PIN DESCRIPTION<br>F — | 1 | — | — | GNO |Power|Groundreference<br>[2 [| = [| — [Gnd _|[Power[Groundreference. —SSSSOSC~SCS<br>10 BK_IN | Power | Buck power supply input,<br>Can be connected to the VBAT pin,<br>Connect to 10 uF low-ESR ceramic capacitor,<br>Voltage range: 1.9V to 3.6V.<br>3 5 P2_2 D I/O | GPIO,<br>PWM1 (only for RN4870),<br>Default: Input; pulled high.<br>4 VDD_IO | Power | I/O positive supply. Do not connect.<br>Ensure VDD_IO and MCU I/O voltage are<br>compatible.<br>5 rg VDD_IO | Power | I/O positive supply. Do not connect.<br>Ensure VDD_IO and MCU I/O voltage are<br>compatible.<br>ULPC_O | Power| 1.2V ULPC LDO output,<br>Used for diagnostic purposes,<br>Do not connect to any pin or device,<br>For measurement, connect a bypass 1 UF<br>capacitor to ground.<br>7 P2_3 D I/O | GPIO,<br>PWM2 (only for RN4870),<br>Default: Input; pulled high.<br>10 BK_O Power| 1.55V Buck power supply output for diagnostic<br>purpose.<br>Do not connect.<br>**----- End of picture text -----**<br>
Legend: Pin Type Abbreviations: A=Analog D=Digital I/O =Input/Output I/p=Input O/p = Output
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## serene
## TABLE 1-2: PIN DESCRIPTION (CONTINUED)
|||13||P1_6|||Configurable pin. Refer to Section 1.2 “Module|
|---|---|---|---|---|---|---|---|
||||||||Configuration” for details. When connected to host|
||||||||MCU, set the pin connected to pin P1_6 in either|
||||||||high-impedance or drive pin low during firmware|
||||||||start-up (approximately 22 msec).|
|||14|5|P1_7|||Configurable pin. Refer to Section 1.2 “Module|
||||||||Configuration” for details.|
||11|15|15|P2_7||D O/p||VUART_TX_IND output pin. Provides indication if|
||||||||RN4870 is transmitting to host MCU over UART.|
||||||||Pulled low before UARTTX begins and pulled high|
||||||||after UART TX is over.|
|10|12|||P1_1||D I/O |GPIO; default: Input; pulled high,||
|||||||Al/p||ADQ,|
||||||||Configured as the BLEDK_STATUS1_IND pin by|
||||||||default.|
|11|13|2|3|P1_2||D I/O |GPIO; default: Input; pulled high,<br>Al/p |AD10; I2CSCL pin.||
|12|14|3|4|P1_3||D I/O |GPIO; default: Input; pulled high,<br>AD11; I2CSDA pin.||
|13|15||11|||D I/O |GPIO; default: Input; pulled high,||
||||||||ADO,|
||||||||Configured as the UART_CTS pin by default.|
|14|16|||P1_0||D I/O |GPIO; default: Input; pulled high,||
||||||||AD8,|
||||||||Configured as the BLEDK_STATUS2_IND pin by|
||||||||default.|
|15|sl|||P3_6||D I/O |GPIO; default: Input; pulled high (only for RN4870),||
||||||||Configured as the UART_RTS pin by default.|
|16|18|16|16|P2_0||D I/p |System configuration input;||
||||||||1: Application mode|
||||||||0: Test mode/Flash update/EEPROM configuration|
||||||||Default: Input; pulled high.|
||oi7_ | 19 | ~ | <br>ef 2 | — ||||= | P24 | Di<br>|GPI0; default: Input; pulled high.<br> — | Ne |— |Noconneston<br>SSCSC~*Y<br>RST_N<br>D I/p |Module Reset; active-low; Internally pulled high.|||||
|22|24|||P3_1||D I/O |GPIO; default: Input; pulled high,||
||||||||Configured as RSSI_IND pin by default;|
||||||||SPI NCS Bus.|
|23|29|||P3:2||D I/p |GPIO; default: Input; pulled high,||
||||||||Configured as the LINK_DROP pin by default;|
||||||||SPI MISO pin.|
|24|26|||P3_3||D I/p |GPIO; default: Input; pulled high,||
||||||||Configured as the UART RX indication pin by default;|
||||||||SPI MOSI pin.|
|25|27|||P3_4||D I/p |GPIO; default: Input; pulled high,||
||||||||Configured as the PAIRING_KEY pin by default;|
||||||||SPI SCLK pin.|
|Legend:|PinTypeAbbreviations:||A=Analog||D=|Digital|I/O=Input/Output<br>I/p=Input<br>O/p=Output|
— DS50002489E-page 4 © 2016-2021 Microchip Technology Inc.
## samme|
## TABLE 1-2: PIN DESCRIPTION (CONTINUED)
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26 28 P3_5 D I/O | GPIO; default: Input; pulled high,<br>Al/p |LED1; provides indication whether the module is<br>on/off.<br>27 29 PO_7 D I/O | GPIO; default: Input; pulled high,<br>Configured to the LOW_BATTERY_INDICATOR pin<br>by default.<br>28 30 12 PO_2 D I/O | AD2,<br>LEDO: Provides indication whether the module is in<br>On/Off mode.<br>[2 [Tn<br>30 1 BT_RF |PowerA1I/O ||Groundreference.External antenna connection (50SSCSOhms). Only for<br>[3s RN4870U and RN4871U. No connection for RN4871.<br>Legend: Pin Type[=Abbreviations:[=A=Analog[GNDD=Digital [Power|Groundreterencs.I/O =Input/Output I/p=Input O/p = Output<br>**----- End of picture text -----**<br>
## FIGURE 1-1: PIN DIAGRAM — RN4870U
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Top View Bottom View<br>GND 1 30 BT_RF >] 30 1<br>VBAT 2 e@TP-3 [{ TP-3 VCC_RF<br>P2_2 3 29 GND y] @ ([C TP-1 VCC_PA<br>VDDIO 4 28 PO_2/LED y TP-1[%<br>VDD_IO 5 27 PO0_7 ) | LC<br>ULPC_O 6 26 P3_5 y] x<br>BK_OP2_3 78 Z\\ 2524 P3_4P3_3 Y]om xKe<br>P2_7/TX_IND 9 23 P3_2 ) @TP-2 [C TP-2CLDO O<br>P1_1 10 xX 22 P3_1 )] a ~<br>P1_2 11 21 UART_TX YJ L¢<br>Pi_3 412 20 UART_RX J [¢<br>HARARAAAA<br>Ste See<br>NonwtoZz<br>FIFA 2 il<br>sce 2<br>o neo<br>o a,!<br>a<br>**----- End of picture text -----**<br>
eee reer eerence eee eee eeeeee © 2016-2021 Microchip Technology Inc. DS50002489E-page 5
FIGURE 1-2: PIN DIAGRAM — RN4870
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Top View Bottom View<br>GND 2 32 GND x im<br>YaGLO)<br>CM<br>GND 3 cK<br>VBATP22 45 31 GND y ers @ [X([C TP-1VCC_PATP-3 VCC_RF<br>VDD_IO 6 30 PO_2/LED y] TP-1[<br>VDD_IO 7 29 P0_7 y me<br>ULPC_O 8 28 P3_5 Y] cK<br>P23 9 27 P3_4 1 cK<br>BK_O 10 26 P33 y] x<br>P2_7/TX_IND 11 25 P3_2 1] @TP-2 [IX Tp-2CLDO O<br>P11 12 24 P3_1 1 cK -<br>P1_2 13 23 UART_TX y me<br>P13 14 22 UART_RX y me<br>ARARARAAR<br>Sere ean<br>Pea IS<br>a Qo!<br>a<br>1-3: PIN DIAGRAM — RN4871U<br>Top View Bottom View<br>— I LL<br>oeqerk a<br>2aaam<br>TON = 1<br>MARILER MOF<br>P36 © 17 GND 170 =<br>RST_N 67 — te2tp4@r1 LU[¢ TP-1 CLDO_O<br>POO 8 ip sie VCC_RF TP-22'6 6 9 IP4 ULPC_O<br>P02 9 pad) Bee 14 pic7 VCC_PA TP-30> @ reL TP-5 BK_O<br>— AAA<br>or N MO<br>reese<br>Z2Zeaqo<br><> On<br>**----- End of picture text -----**<br>
FIGURE 1-3: PIN DIAGRAM — RN4871U
DS50002489E-page 6
© 2016-2021 Microchip Technology Inc.
## ee
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FIGURE 1-4: PIN DIAGRAM — RN4871<br>Top View Bottom View<br>NC 1 = 16 P2_0 _]16 O Y ass<br>GND ag is = -<br>2 15 P27 J em= Gi:<A TP-3i, VCC_PA<br>P1_2 3 14 VBAT BKOTPI D1 @ 91>, UO TP-2VCC_RF<br>P13 4 43 GND apenas, ei<br>P175 12 P02 -OTPS 5 @ Ps rm<br>) () °AAAAARAS<br>xox-xoerFEOnNDAozKOwal ‘aZOoO!<br>ee<br>$5<br>**----- End of picture text -----**<br>
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## serene
1.2 Module Configuration Table 1-5 shows the status of the module as indicated The . by the Status 1 and Status 2 indication pins. Table 1-6 GPIO pins of the RN4870 and RN4871 modules shows the details of test pads that are present on the can be configured for different functions using the bottom side of the module, used for diagnostic ASCII command interface. Table 1-3 shows the various purposes during testing. Figure 1-5 shows all the key pins in the RN4870/71 module that are available for elements of the module. configuration and their default configuration settings. Table 1-4 provides details on each available function.
TABLE 1-3: CONFIGURABLE PINS AND DEFAULT FUNCTIONS IN THE RN4870 AND RN4871
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Available in<br>Default Function<br>RN4870 RN4871<br>a SG<br>2<br>2<br>8 SG<br>erSOCdCCSCSSC—sESCS—tS~—i<br>None SS~S<br>**----- End of picture text -----**<br>
## TABLE 1-4: CONFIGURABLE FUNCTIONS AND DESCRIPTIONS
Low Battery Indication Pin output goes low when the VDD is below a specified level. To set the threshold level, change the EEPROM settings. Status 1 Use this indication pin along with the Status 2 pin to indicate the current status of the module. Refer to Table 1-5 for details of the status indication. Status 2 Use this indication pin along with the Status 1 pin to indicate the current status of the module. Refer to Table 1-5 for details of the status indication. RSSI Indication Use this indication pin to indicate the quality of the link based on the RSSI level. If the RSSI level is lower than the specified threshold value, then the RSSI indication pin goes low. Set the threshold for the RSSI link quality in EEPROM. Link Drop When the RN4870/71 is connected to a remote device, the host MCU can use the Link Drop pin to force the module to disconnect the link and enter Shutdown state. The pin needs to be pulled low for at least 10 ms. UART RX Indication Use this pin to enable communication with the UART when the module is in LowPower mode. When not in Low-Power mode, the module runs on a 16 MHz clock. If Low-Power mode is enabled on the module by using the command, SO, 1, the module runs on a 32 kHz clock, thus reducing power consumption. However, in Low-Power mode, the host MCU cannot communicate with the module via the UART since the UART is not operational. If the user intends to provide data or commands via UART in the Low-Power mode, then the UART RX Indication pin must be pulled low and the user needs to wait for at least five milliseconds before sending the data. Pulling the UART RX Indication pin low allows the module to operate the 16 MHz clock and to enable UART.
## —
DS50002489E-page 8
© 2016-2021 Microchip Technology Inc.
## samme|
TABLE 1-4: CONFIGURABLE FUNCTIONS AND DESCRIPTIONS (CONTINUED)
|Pairing Key|When the RN4870/71 is connected to a remote device, the host MCU can use|
|---|---|
||the Pairing Key pin to force the module to disconnect the link and go back to|
||Standby state. The pin must be pulled down for at least 160 ms.|
|RFActive Indication|Use this indication pin to indicate that the module is currently performing an|
||activetransmissionandreceivingBLEdata.|
## TABLE 1-5: STATUS INDICATION PINS
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TABLE 1-6: TEST POINTS ON THE BOTTOM SIDE<br>RN4s70U | _RN4870 | RNAS71U | _RNAS71 | Symbol<br>**----- End of picture text -----**<br>
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**----- Start of picture text -----**<br>
FIGURE 1-5: BLOCK DIAGRAM OF THE RN4870/71<br>**----- End of picture text -----**<br>
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RN4870/RN4871<br>po Antenna<br>'' Controller(Ext. MCU) !! iH<br>beer eed Bluetooth<br>' lOT ' and RF<br>| Peripheral }<br>, Device , I<br>Counter NMI, IRQ<br>Peripherals<br>MCU<br>Temp.<br>Ret-RAM -<br>Detect Converter<br>GPIO [PORT] ROSC ES Te<br>* 4} Always On (AON)<br>I<br>Mo, *GPIO Pad on Module<br>, MCU/GPIO/LED }<br>eee reer eerence eee eee eeeeee<br>© 2016-2021 Microchip Technology Inc. DS50002489E-page 9<br>**----- End of picture text -----**<br>
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NOTES:
ener reereee eee eee eee DS50002489E-page 10 © 2016-2021 Microchip Technology Inc.
RN4870/71
## samme|
## 2.0 SPECIFICATIONS
Table 2-1 provides the general specifications for the module. Table 2-2, Table 2-3 and Table 2-4 provide the electrical characteristics and the current consumption of the module.
## TABLE 2-1: GENERAL SPECIFICATIONS
TABLE 2-2: ELECTRICAL CHARACTERISTICS a Voltage(voo)—SSSC=~dSC(‘c'C”~OCT [Supply SO] OO OTC [Vit[Vin nputLogiclevestow ——=SiédG=C“‘wSS”S~C*PSSOC~SC*«dSC<“i(lM TCC*d [VoL InputLogicLevelsHigh ——~+|_—orvoo | — | vo |v _| [Vor **OutputLogi** cLevelscLevelsLowHigh ——+|| oavosves —+|| —|| 02vo0_|veo |vVv **_|** Reset [ResetLow Duration | S|Ss [PukDownResistnce——=S=~=“‘*‘“dRSOC*éiSC*i“SS(“‘éiSOS*dSC“‘éi#SSOSC#CdLC(‘iCC*d
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RN4870/71
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||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|TABLE|2-3:|CURRENT|CONSUMPTION")|
|Parameter|
|min|||yp|||Max|—_—*||Unt|||
|[TX|Mode Peak|Current|at|Vop =|3V, TX=0 dBm, BuckMode|| —|[10ate25G||Toatv7s"crre5"c|||mA_||
|[RX Mode Peak|Curent|at Vo=3V,BuckMode|=||—*[10.at+25°0||1S at +75°Crr85°C|| mA_||
|[Low-Power Mode Current|SSSC*dYC|«datz|||A|
|LowPowerMode—SSSS~=~“—~*~—*~*—~—*—s—s—é—sYSA|
|[ShutdownNote|1:|The|current|measurements|are|characterized|across|a|sampleSYSof|the|RN4870/71SidYSSmodule|atCdroom|
|temperature|(+25°C),|unless|otherwise|noted.|
|2:|For more|details|on|Low-Power|mode,|refer|to|the|“RN4870/71|Bluetooth® Low Energy Module|User’s|
|Guide” (DS50002466).|
**----- End of picture text -----**<br>
TABLE 2-4: CURRENT CONSUMPTION DURING APPLICATION MODE
- Note 1: These measurements are done at an operating temperature of +25°C at 3.3V and are characterized across a sample of the RN4870/71 module.
2: Measurements taken with Version 1.18 firmware loaded onto the module. 3: The advertising packet data payload is approximately 15 bytes in length.
- 4: The amount of data being transmitted between two peer devices can affect the average current measured. The average current measurements are done with only the necessary Bluetooth® packets being exchanged to keep the connection active at the stated interval.
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## samme| 3.0 INTERFACE PINS Figure 3-1 also shows the basic UART connections to
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3.0 INTERFACE PINS Figure 3-1 also shows the basic UART connections to<br>the host MCU.<br>Figure 3-1 shows the power scheme using a 3.3V ; ,<br>low-dropout regulator to the RN487X and a host MCU. rae ee siciiiaaiiun epanane<br>This scheme ensures that the same voltage is used for moning ine RASS FAM gma elma bateny<br>both the module and the MCU.<br>FIGURE 3-1: POWER SCHEME<br>vin (3.3)<br>LDO<br>RN4870/71/70U MCU<br>VBAT woo<br>(1.9-3.6V) TXD RX tite t<br>RXD TX<br>Reset IC<br>= Controlindication& VOs|\—>| #5<br>Note 2, Note 3<br>a PO_2/LED<br>a<br>a<br>System Configurator Note 1: Ensure VDD_IO and MCU VDD voltages are compatible.<br>2: Control and Indication ports are configurable.<br>3: To implement low-power operation, enable the UART_RX_IND<br>pin and connect to ground.<br>LDO<br>Vin 09 | (3.3V)<br>RN4871U Mcu<br>onl :=6V) voD<br>Note 3 = aihie ™D RX Note 1<br>BK_IN Note4 gest 1X<br>Reset IC Reset<br>—L ControlIndication & WOs|{<—v]_ YS<br>Note 2, Note 5<br>fn PO_2LED<br>Note 3 9,<br>a<br>System Configurator Note 1: Ensure VDD_IO and MCU VDD voltages are compatible.<br>2: Control and Indication ports are configurable.<br>3: 10 UF (X5R) and 330 Ohm resistor are required for RN487X.<br>4: BK_IN connects to VBAT for RN4871U.<br>5: To implement low-power operation, enable the VART_RX_IND<br>pin and connect to ground.<br>**----- End of picture text -----**<br>
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## serene
FIGURE 3-2: RN4870/71 COIN CELL POWER SCHEME
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RN4870/71<br>Button Cell<br>Battery<br>Hoe BAT_IN<br>a ll (1.9~3.6V)<br>BK_IN<br>Note 2<br>Resets anes Multi-Function VOs [>] K [Peripheral] [Devices]<br>Note 1, Note 3<br>)<br>!<br>nN<br>a<br>System Configurator<br>**----- End of picture text -----**<br>
Note 1: Application includes ADC, PWM (RN4870) and I2C bus interface.
2: BK_IN connection is needed only for RN4871U. 3: To implement low-power operation, enable the UART_RX_IND pin and connect to ground.
The Configuration pins on the RN4870 can also be configured through a Windows® based User Interface (Ul) configuration tool, BLEDK3.
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## samme| 4.0 PHYSICAL DIMENSIONS AND areas under the antenna must not contain any top, ATTRIBUTES inner layer or bottom or bottom bottom copper, as shown shown in Figure 4-3. A A
4.0 PHYSICAL DIMENSIONS AND areas under the antenna must not contain any top, ATTRIBUTES inner layer or bottom or bottom bottom copper, as shown shown in Figure 4-3. A A low-impedance ground plane ensures the best radio 4.1 performance (best range, lowest noise). Figure 4-3 RN4870 Module also shows a minimum ground plane area to the left Figure 4-1 shows the physical dimensions of theRN4870 and right side of the module for best antenna module. Figure 4-2 illustrates the recommended PCB performance. The ground plane can be extended layout and Figure 4-3 shows the recommended beyond the minimum recommended as required for mounting details host PCB EMC noise reduction. For best range Ensure that there_is no top copper layer near the test awayperformance, from thekeepceramicall externalchip antenna.metal at least 30 mm pin area, indicated by the shaded keep out areas, as shown in Figure 4-2. When laying out the host PCB, the
## 4.1 RN4870 Module
FIGURE 4-1: RN4870 MODULE DIMENSIONS
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Top View Side View Bottom View<br>20 nNa Nos of 2<br>on r = ~ ON<br>| | | | | | |<br>22.0 —_ _— 22.0<br>21.220.1 ———— }1 ><] | —._ 246«119.9 ~— =zr (iTit——— 21.2i<br>18.0; 16.05 18.0<br>— "es — 16.954498 —— DQGH [Wy] mountingshied hole<br>13.9 — 4.0mm x — 13.9<br>12.8 — 124 — (Cc —— 12.8<br>1.7 — 18 — <tc — 11.7<br>410.6 —— ” cx — 10.6<br>96 — {2 re — 95<br>84 — 0.7mm ry) (i — 84<br>7.3 — “FS me — 73<br>62 — _ ic — 62<br>514 — 48 — OO ici — 5.1<br>4.0 — tb z (i — 4.0<br>*P —_— 4.1mm 7” t— 2g<br>0.0 — 97 _ shiek FF L | HAAR (iT —— 0018<br>I TTT | | ¢| mountingme TTTTT TTT |<br>a jmaeaonne too a2 Qaanre2aak &<br>i=] NOToOrR ao N noo po] QHRODeSTAN J<br>: EE<br>Dimensions are in millimeters EE<br>Tolerances: oo 4<br>PCB Thickness:+/-0.06mm 4; + om @ _0.76mm<br>.Omm<br>TEL fom 7<br>Pad Detail<br>**----- End of picture text -----**<br>
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FIGURE 4-2: RN4870 RECOMMENDED PCB FOOTPRINT<br>Top View<br>ene aon 2<br>NNT © coc i<br>Keep Out Area<br>weopourel) |||) |<br>21.2 — 4 33 Keep Out Area<br>201 —(C)<br>18.0 —— =I — 18.0<br>0.5mma | | Sa — 148<br>ies == y —— 13.2<br>11.7 —C o— 73<br>10.6 —C c—_ 11.0<br>956 —(C) =e es<br>84 —C) =I 0.7mm<br>73 —O of<br>62 —(CI =<br>$1 —C G= —— 86<br>40 —CH) —a 41<br>2.9 ——CI CI 1.4mm<br>18 — 4 .<br>0 — }n0nooo0<br>ee) rea | TTTETTIS TH<br>bad S$ QQOonNNooo<br>o NO TOMO OD =N<br>FIGURE 4-3: RECOMMENDED MOUNTING DETAILS<br>Top and Bottom Copper<br>4.7mm layer keep out area<br>es<br>host PCB V SELLS EEL? ,<br>|<br>| | ml—_ OO.Tea<br>l — —<br>I om|| [[ | )<br>| — = |<br>| oo az }<br>| =) |<br>——<br>|<br>7 L_gooooa—om] EI 7<br>C] Top Copper Layer<br>Cl Bottom Copper Layer<br>**----- End of picture text -----**<br>
FIGURE 4-3: RECOMMENDED MOUNTING DETAILS
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## samme|
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4.2 RN4870U Module external antenna, such as a PCB trace antenna, a com-<br>: . , . ponent (chip) antenna or through a host PCB 50 Ohm<br>Figure 4-4 shows the physical dimensions of the microstrip trace. This trace can be extended to include<br>RN4870U module. Figure 4-5 _ illustrates the passive parts for antenna attenuation padding,<br>recommended PCB layout and Figure 4-6 shows the impedance matching orto provide test posts. It is recom-<br>recommended mounting details. mended that the microstrip trace be as short as possible<br>A low-impedance ground plane ensures the best radio for minimum loss and best impedance matching. If the<br>performance (best range, lowest noise). Pin 30 (BT_RF) microstrip trace is longer, a 50 Ohm impedance is<br>is a 50 Ohm connection that can be connected to an recommended.<br>FIGURE 4-4: RN4870U MODULE DIMENSIONS<br>Top View Side View Bottom View<br>4 ~ 2°<br>N ~ on<br>| 1.0mm | | |<br>15.0 —— “Le — eee<br>13.8 —)1 30 im ck — 13.9<br>11.712.8 —— 1 =o crcc —— 11.7128<br>10.6 — = cc — 16.6<br>95 — 6.9mm | = re — 95<br>8.4 — 0.7mm 0 cr —— 8.4<br>7.3 — f 0 cx — 7.3<br>6.2 — a [ii — 62<br>5.1 — 438 — 2 c{ — 6.1<br>40 — x 1.0mm T] cx — 4.0<br>28 — r] <t— 29<br>1.8 — ttm 7 cr — 18<br>. ¥- -<br>ao — QAARARAR — op<br>S RBtennn © eee SCOANNK Seek<br>S NOFOKOO W 60 NQ GGeKoYaN ©<br>Dimensions z<br>Tolerances: are in millimeters 5 S<br>PCB 7 +<br> Thickness:+/-0.06mm a2 x] @__ o.74mm<br>5 i<br>i=<br>Pad Detail<br>**----- End of picture text -----**<br>
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FIGURE 4-5: RN4870U RECOMMENDED PCB FOOTPRINT
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Top View<br>ene ana §<br>KeepOutArea WY 9 OS NO Oe<br>415.0 — | aif— SS15.0<br>1.7 —C — 79<br>10.6 —(C] CI 11.0<br>95 —C] a<br>84 —(C] — 0.7mm<br>i =z)<br>62 —(C) —_<br>614 —CI = — ie<br>40 —(C) —}|""<br>29 —C] —_ 4 aia<br>1.8 —(C] TF .<br>oo — L@(q00000H<br>Keepoutarea"? TTI TTI NI |<br>oS RQMROKNMOCS<br>**----- End of picture text -----**<br>
FIGURE 4-6: RN4870U RECOMMENDED PCB MOUNTING
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—<br>or, fe<br>| — _ |<br>| il= fees= |<br>| = S l<br>= ES<br>| —| cael |<br>| ee! Ler |<br>= i<br>La<br>Top Copper Layer<br>| Bottom Copper Layer<br>**----- End of picture text -----**<br>
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samme| 4.3 RN4871 Module inner layer or bottom copper, as shown in Figure 4-9. A ; ; ; . low-impedance ground plane ensures the best radio module.Figure 4-7 shows the physical dimensionsof theRN4871 performance (best range, lowest noise). Figure 4-9 layout andFigureFigure48 illustrates4-9 showsthe recommendedthe recommendedPCB foralsobest showsantennaa spacp **e** rformance.area aroundThetheground antennaplanesectioca **n** mounting details. be extended beyond the minimum recommended as Ensure that there is no top copper layer near the test required for host PCB EMC noise reduction. For best pin area, indicated by the shaded keep out areas, as range performance, keep all external metal at least shown in Figure 4-8. When laying out the host PCB, the 30 mm away from the ceramic chip antenna. areas under the antenna must not contain any top,
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FIGURE 4-7: RN4871 MODULE DIMENSIONS<br>**----- End of picture text -----**<br>
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Top View’ Side View Bottom View<br>145)— L i 4 11.5) ” I? |<br>Lo67—1 = 16 —— 718— 6.7Lo —)_J16 O Um:WHA >] O GeWHF? — 6.7<br>55 — 55 —)_] @ Ps Gr eae i @ Ps Gp<br>43 — 43—1 @ i te i71_oe em (e475<br>31— sig 1 OTA el 368 pe @ c=<br>49 —! Q D}—___ 97) shed 19 BL @ 1P5 roa 2.38 — = @ 1P5 =<br>—, e — mounting on nha ake on qoag 1°<br>rr a —_. I hole TTT— TE TT Noite _ 11 | |<br>e2g2e8R & a 8s 3 2a Sa = go mouthghoe Bok 2<br>Pad Positions Test Point Positions<br>1.0<br>Tolerances:Dimensions are in millimeters oy] of) | Yo<br>PCB Thickness: +/-0.06mm<br>Pad Detail<br>**----- End of picture text -----**<br>
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RN4870/71
FIGURE 4-8:
RN4871 RECOMMENDED PCB FOOTPRINT
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Top View<br>LT<br>a y, —— 710<br>3.1 —C_] Td —t<br>if Y/ a<br>0.0 + U U U UP Keep Out1-5 Area<br>Dimensions are in millimeters<br>**----- End of picture text -----**<br>
FIGURE 4-9: RN4871 RECOMMENDED PCB MOUNTING SUGGESTION
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~<br>EdgeZz of re VSS,Yy -Yy ly. °°ane<br>host PCB Yy J<br>= VL<br>“a [TTT<br>Top Copper Layer<br>(J Bottom Copper Layer<br>**----- End of picture text -----**<br>
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## samme|
4.4 RN4871U Module A low-impedance ground plane ensures the best radio : , . , performance (best range, lowest noise). Pin 1 (BT_RF) Figure 4-10 shows the physical dimensions of the is a 50 Ohm connection that can be connected to an RN4871U module. Figure 4-11 illustrates the recomexternal antenna. such as a PCB trace antenna. a mended PCB layout. It is highly recommended to lay component (chip) antenna or through a host PCB out the host PCB as suggested in Figure 4-12. 50 Ohm microstrip trace. This trace can be extended to Figure 4-13 shows the recommended placement for include passive parts for antenna attenuation padding, the module on the host PCB board. For optimal impedance matching or to provide test posts. It is transmission and reception sensitivity, place the recommended that the microstrip trace to be as short module at the edge of the board. as possible for minimum loss and best impedance matching. If the microstrip trace is longer, a 50 Ohm impedance is recommended.
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FIGURE 4-10: RN4871U MODULE DIMENSIONS<br>Top View Side View Bottom View<br>anon Nnoaw © €<br>“NTU otae § o €<br>LTT Baalnig Ps ai laife<br>tr —— IN SF — aOOF o x — 67 1.0mm SenHOO cr y<br>5.5 = 0.9mm . = By 4.2mm<br>49 — NI d— a is37—a) F a ] ye xS—6.6 = = zo<br>mips. SZ] — 25 1.0mm 25— io oe42 4,ae abey >GS!— 25<br>0.0 — D<K — 1.3 1.8 — oO HHAaie 0.0z : OF AHHH — 0.0<br>oonnwdste3zonte© rgeoOO aeo tnnootNomo oOoenkenf#nNgaero3<br>Dimensions bE<br>Tolerances: are in millimeters 5 x<br>PCB rey, |<br>Thickness:+/-0.06mm +; 3 om @ _0-72mm<br>TF<br>eee<br>Pad Detail<br>**----- End of picture text -----**<br>
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RN4870/71
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FIGURE 4-11: RN4871U RECOMMENDED PCB FOOTPRINT<br>Top View<br>onoNn oo<br>rn Tw ot<br>mmonmel ||| ata<br>60 | wat<br>— CNUUL UUW<br>56 co— 61 62 —=<br>—<br>4.3 —(CI CI— 49; 5.2 SS—— = J 7——1-2mm<br>7 — CI— 3.7 3.9 Co<br>19 — —=— ia1. 1.33s o— =i.7mm<br>oo — WQUURA oo — UUUS F<br>enont oc er %<br>SON ds or +<br>**----- End of picture text -----**<br>
FIGURE 4-12: RN4871U RECOMMENDED PCB MOUNTING
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o© © o© OL ¢ Q<br>oe olla ‘ml:<br>¥ : :<br>° ° ° : allt; iL JI<br>© © © 0 0 i} <<br>nail: -<br>°Co ~ ° ] ° CJ<br>° Y='Y_— :<br>Cus<br>Top Copper layer<br>Bottom Copper layer<br>**----- End of picture text -----**<br>
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## samme|
FIGURE 4-13: RECOMMENDATIONS FOR PLACEMENT OF THE MODULE ON HOST PCB BOARD
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Best<br>Acceptable (=<)' ANT Keep Out Area<br>Feeding<br>\— = ——-= |<br>4<br>), Acceptable<br>Performance | . +<br>**----- End of picture text -----**<br>
## 4.5 Soldering Recommendations
The RN4870/71 Bluetooth module is assembled using standard lead-free reflow profile, IPC/JEDEC J-STD-020.
The module can be soldered to the host PCB using standard leaded and lead-free solder reflow profiles.
To avoid damaging the module, the following recommendations are given:
- ¢ Microchip Technology Application Note, AN233 “Solder Reflow Recommendation” (DS00233) provides solder reflow recommendations
- Do not exceed Peak Temperature (Tp) of 250°C
- ¢ Refer to the solder paste data sheet for specific reflow profile recommendations
- « Use no-clean flux solder paste
- Do not wash as moisture can be trapped under the shield
- ¢ Use only one flow; if the PCB requires multiple flows, apply the module on the final flow
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NOTES:
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## samme|
## 5.0 APPLICATION REFERENCE CIRCUITS
## 5.1 External Configuration and Programming
The RN4870/71 module can be configured and firmware programmed using an external configuration and programming tool. Figure 5-1 shows the mandatory connections required between the module and the external programming header. It is recommended to include these pin connections on the host PCB for development. For accessing the various configuration and indication pins, use Table 1-2, Table 1-3, Table 1-4 and Table 1-5.
## 5.2 Reference Circuit
Figure 5-2 through Figure 5-5 show the reference circuits for various modules under the RN4870/71 family. In the circuits, the power input range is 1.9V ~ 3.6V.A battery reverse protection circuit is recommended in case a battery power input is used. Note that the VDD_IO is the same as the power input. In case of an LED connection, the power input must be greater than 3.0V. For the RN4870U, an RF antenna matching circuit must also be included, as shown in Figure 5-3.
## FIGURE 5-1: EXTERNAL PROGRAMMING HEADER CONFIGURATIONS
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1 P20 P2_0<br>1. VBAT VBAT<br>1__RXD RXD<br>1 TXD TXD<br>1__ GND GND<br>**----- End of picture text -----**<br>
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ee<br>FIGURE 5-2: RN4870 REFERENCE CIRCUIT<br>poneVi ee = - 7<br>' 9 ' GND GND —|_<br>Power Input ' oes<br>' Q1 ' = ee GND<br>} J4 sts2301 WCC GND cl en LED Option<br>Oo [2] 1 = nn ' P22 4 i 3 LD1 VCC<br>; @ C1 p22 i onp R1<br>1 7 I —§ipp 10 po 260 P02 Po2<br>yop 10 RN4870 po 7}22-L07 330 g<br>t = —" — ! P2 3 ; Ube an % = ;<br>' — ic <a ' P23 P34<br>! GND GND GND I 10K<br>' ! =O p37 3/25 P33 po rere siren '<br>\ee ee eee ee10 uF 6.3Veee X6R i P12PatP27 12yp111 p2_7/TX_IND| p3P32 1}24P3.125'_ P32 I —Po0ConfigurablePaI/O \<br>-~----------,' Pig 1 3}p14) oyscLp1 3/SDA eS UAR TT_RXP2—UATx|22—VA R TLIXRX |, —fioP07 |P27<br>i ConfigurationP20Interface i\ on5 awgS UARTVCC Interface {1 P14_pt2 P32P33 1'<br>1 J2 \ S255, sols 1 P13 P34 ‘<br>' oo VCC H Laeae Zle R2 I P22 P35 1<br>' oe \ Pa) FS FE FS ii | P23 P36 !<br>1 fps —uaRT RX | RSet a<br>\ fag}4—UART TX i Ba & None al ol ol ola<br>! - os oF} | cof caf C2<br>11 G] 'l afa}ajayay 1 uF<br>1 1 Low Test Mode<br>ry e | —<br>! GND ! High. |APP Mode ==<br>tt 9 GND<br>FIGURE 5-3: RN4870U REFERENCE CIRCUIT<br>eee CANT<br>Ue eee eee<br>i Reverse Voltage Protection ; '' Antenna Matching4 'i<br>4 Power Input r<br>' Q1 := t = 1nH mA }<br>I<br>' J1 a Voc i GND - Gn BT RFE2 i 1<br>' (a 2 = ' P22 3 VBAT 29 ! !<br>1l @ ci! 4 P22|e Ul GND 28 P02 => =— !<br>1 a '' S\yppVDD_IO10 RN4870U POpo 27/22—P07 1o=1 GND GND= '1<br>\ 1 Slurec_o= p3_spo—P3.5- I--------------'<br>A = = — 1 P23 7 P23 P34 25 P34<br>' GND GND GND ' Sax O p3 3/24 P3.3 LED Option<br>|: eee oes10uF 63Vx5Reeeen’'| P27P12Pt lolprol p> J4770K IND p3p31L 9{23-[22-P3.4P32 R1 _ VCC<br>Fa§ aaa pa ore Ps Loy12)p1 scr3/SDA - UART TR x { 2 -2L_UARL_UART TR X P02 ny 4<br>! Configuration Interface i a ae UART Interface<br>'i P20 i esQ_#ez Vcc pro-cc tooo ---<br>' J2 Hl SS S)S Sve, & 1 Configurable I/O \<br>| oe VCC i geigiaia' 2/2 R? \ P00 P24 1<br>' (m2 asjs)sI2 ik 1 P07 P27<br>fa] 3 UART.RX_ | RST i P10 P34 1<br>tag} 4 —_UART. TX H ABE oO] of co} of + 1 _ Pit P3204<br>1 {a} = aja]ela]s c2 | Hz, mg!<br>= ! 1 P22 P35 \<br>1odGND ' High: | APP Mode Gan== !1a P23 eeP36a '<br>**----- End of picture text -----**<br>
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## ee
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**----- Start of picture text -----**<br>
FIGURE 5-4: RN4871 REFERENCE CIRCUIT<br>ee oO]N<br>' Configuration Interface | aa /<br>} P20 i bs —<br>1 J2 I st] of ap GND<br>'1 (a VCC i}' aaame ne<br>1 ee Te men<br>1 fal 2 ! aa oO By 1 Reverse Voltage Protection i<br>; orag} 4_UART_T3. _UART.R X _ ! P17 Shas g ay (tl p20 1| Q1 Power Input,'<br>oe 1 P16 Slo Ul ets p27 | VCC $T$2301 Ji!<br>' I UART_RX | RN4871 — [14 Ga = 1<br>| GND | UART Interface = C1<br>lowe ' = '<br>VCC PaiOyerl a 29oSa —= 1|1 —= ow= —= i)1i<br>~~oo“Configurable VO ee ! sheeR2 ve=]s GND || 10 uFGND.63VXSR GND GND !<br>1 P12 P27 ' C2 a ele LED Option VCC<br>; se at<br>laoneeoeenn----1 30 CY<br>FIGURE 5-5: RN4871U REFERENCE CIRCUIT<br>VCC LED Option VCC ‘oie' \<br>P02 47k ajo} | 1 =O<br>nn: en RST ! UART_RX 3h} !<br>! Reverse Voltage Protection ' ! UART_TX_4 !<br>' ' C2 ! Om<br>, Power Input { l 5 a] 1<br>\ Q1 \ 1 HF ay of rf of 9 UART_RX ! I<br>1 Jt sts2a1 VCC | Sig <3 UART_IX = |<br>| (@}- = cn = a I ‘ UART Interface \ GND i<br>'1 @ y] C1!' GND: 10 e 4 'oe '<br>' - I amie ot UART_TX<br>IYBAT asrtu PLE oS<br>1 —— — — \ = GND P12 : Pie<br>| GND= GND= GND= 14 P16 ee CANT<br>as} nny10 uF 6.3V X5R H| GND=> ~n~oazeagi i i 1'' AntennaLA Matching ''<br>r Configurable I/O \ P16 S/S) 2/5 ' 1nH '<br>I POO P17 1 ' C3 C4 :<br>H PO_2 P20 ' 1 1<br>) P27 yo) = '<br>1 Pig P36_ 4 ala}a] GND ! = = :<br>P16 i) 1 GND GND '<br>Leeentee mm = meimecnen tii ee!<br>**----- End of picture text -----**<br>
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5.3 Power Drop Protection of[a][ Reset][IC,][ which][acts][as][ an][Open-Drain][with][a][Delay] ; To < 10 ms, and is triggered at a 1.8V power supply. prevent any problems that may arise when the power Figure 5-6 shows a recommended power drop supply goes below 1.9V, a power supply drop protection protection circuit. circuit is recommended. Essentially, this circuit consists
FIGURE 5-6: POWER DROP PROTECTION CIRCUIT
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VBAT<br>RN4870/71<br>RST_N OUT VDD<br>**----- End of picture text -----**<br>
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RN4870/71
## samme|
## 6.0 ASCII COMMAND API
Tee RARE sccarimitaitl epllicaftariddPresgrecnaitig Interfaces (APIs) are documented in the “RN4870/71 Bluetooth® Low Energy Module User’s Guide” (DS50002466). The following are the available command options and their categories:
- Connection - Establish connection
- . Diseannaet
- Bond/unbond current connection
- Start/stop scan for other devices
- Add/delete peer devices to white list
- . Read RSS values
- Stop connection process
- 0
. Readiris Ze
- Change settings in the EEPROM
- Configure pin functions
- Configure GPIO mask
- Set/get GPIO states
- - Read and write analog data - PWM control (only for RN4870)
## - GATT Services
- Create/delete public services/characteristics
- -- SetSeenotification for characteristicsa ee
- * GAP Role
- Central, Peripheral, Observer and Broadcaster
- " Advertsing ~ Sienisinp - Set custom advertisement content ~ Set scan response content . eet bene Somer
- * Bee - Create/delete private services/characteristics - Read/write characteristic values - Set notification for characteristics
- Transparent UART ° SRanease - Peripheral side configuration
- Central side configuration
- ¢« Remote configuration of the module . Read individual device information or profile ale
- System
- Reboot
- Factory default
- Enter and Exit Command mode
- - Enter Low-Power mode
- Scripting - Enter Script mode
- Declare event handler
- Execute current script
- List current script
- - Clear script
- Define user function
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7.0 SUPPORTED SERVICES Private services are not registered with the Bluetooth The RN4870 supports two built-in_ GATT services:; SIG,Bluetoothand Lowtherefore,Energynotdevicesinter-operableunless thewith deviceother * Device information public service implements the private service. An example of a built* UART transparent private service, which handles in private service is the Transparent UART. For an , example on how to create a custom service using the data streaming function In . . ; : RN4870, refer to “RN4870/71 Bluetooth® Low Energy addition to the above predefined private services, the Module User’s Guide” (DS50002466). RN4870 provides the ability to create private services. . ; If the services are supported on both end points of a RN4870 allows custom-defined services for up to five Bluetooth Low Energy connection, such as Central and public and four private services. Each custom-defined Peripheral devices, data can - exchanged. For service allows up to eight custom-defined characterisexample, two RN4870 modules canrdefine a custom tics. All service definitions are saved in on-board (private) service with their own unique characteristics. Nonvolatile Memory (NVM), where the user must set up Data can be exchanged easily via Command API. the module only once.
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## 8.0 ANTENNA CHARACTERISTICS
The RN4870 and RN4871 modules contain an integral ceramic chip antenna. Figure 8-1 and Figure 8-2 show the antenna performance on the modules.
FIGURE 8-1: RN4870 ANTENNA PERFORMANCE
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Gain{dBi)<br>5.00-<br>i? ™~ .<br>0.00-<br>~5.00-<br>-10.00- a ee<br>’, h }i \; 4 ‘<br>-20.00- Bi! ls<br>-25.00- ——\ 4<br>-30.00-<br>-35.00-<br>71.55%<br>Antenna Description Manufacturer Part Number | Manufacturer |<br>ANT ANT3216A063R2400A :<br>PIFA 2.4GHz L3 2W16 ANT3216A063R2400A Yageo Corporation<br>**----- End of picture text -----**<br>
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FIGURE 8-2: RN4871 ANTENNA PERFORMANCE
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Gaie(dBi)<br>5.00-<br>0.00- x Xis<br>-5.00-<br>-10,00- SS<br>-15.00- > LS rs<br>fie N<br>-20.00- |<br>-25.00-<br>-30.00-<br>-35.00-<br>[Antenna Description | Manufacturer Part Number | Manufacturer _|<br>ANT AANT3216LLO0R2400A z<br>**----- End of picture text -----**<br>
DS50002489E-page 34
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## samme|
9.0 TIMING CHARACTERISTICS when RN4870/71 is ready to talk to the MCU after Figure 9-1 shows the timing_ diagram; for the RN4870/ ingReset,thatthethemoduleReset isprovidescomplete.a UARTFor moreresponsedetails,indicat-refer 71 module when it is reset in the Test mode and Applito the “RN4870/71 Bluetooth® Low Energy Module cation mode. Figure 9-2 shows the timing diagram for User’s Guide” (D$50002466). the module when it is powered on. In Application mode,
FIGURE 9-1: TIMING DIAGRAM OF RN4870/71 UART READY AFTER RESET (IN TEST AND APPLICATION MODE)
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I ( | | i}<br>||||<br>|| | | |<br>Ext || I( I! || I|<br>Reset | | I<br>II<br>|| |<br>rt | UART Ready<br>—>|1ms |< |I |I for MCU<br>Test Mode I |<br>Process \ |<br>P2_0=0<br>||<br>|<br>| forUARTMCU Ready<br>ApplicationMode ; x<br>Process b | Status pin/UART<br>| I |<br>—~— 25mS_ |<<br>|||<br>II I i}<br>| I | i}<br>I I i}<br>t—!_— 46mS ——————_> |<br>I I i}<br>||<br>||<br>t?2]VMS$| 66m$A|<br>I |<br>**----- End of picture text -----**<br>
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FIGURE 9-2: TIMING DIAGRAM OF RN4870/71 UART WHEN POWERED ON (IN TEST AND<br>APPLICATION MODE)<br>|||<br>|| | I<br>| il I |<br>|<br>|||<br>i| |<br>| | |<br>VBAT<br>| \ \ UART Ready I<br>| for MCU<br>|<br>|<br>Test Mode 1 P2_0=0 |<br>Pronass —> 25ms |< | UART Ready<br>| | | for MCU<br>|!|| |! ig<br>a ! - I Status pin/UART<br>| | |<br>Process | |<br><< 46ms ——______»1<br>II<br>II |<br><< 68m —}—____<br>I I i}<br>I I i}<br>!<br>**----- End of picture text -----**<br>
Table 9-1 shows the error rate for various UART baud rates for the RN4870/71 module. The system clock is running at 16 MHz.
TABLE 9-1: ERROR RATE FOR VARIOUS BAUD RATES ON THE RN4870/71
|SetBaud Rate|Measured BaudRate|||ror|si|
|---|---|---|---|---|
|921600|941176||-2.12%||
|460800|457143||0.79%||
|307200|307692||-0.16%||
|230400|231884||-0.64%||
|115200|115942||-0.64%||
|57600|57971||-0.64%||
|38400|38095||0.79%||
|19200|19048||0.79%||
|9600|9524||0.79%||
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## 10.0 ORDERING INFORMATION
Table 10-1 provides ordering information for the RN4870/71 module.
TABLE 10-1: ORDERING INFORMATION
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Range<br>**----- End of picture text -----**<br>
Note 1: The last three digits in the P/N indicate the firmware version. At the time of publication, the latest firmware version is 1.30. Ensure to check product webpage for the latest part number and firmware version.
Note: — Go to http://www. microchip.com for current pricing and a list of distributors carrying Microchip products.
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samme| 11.0 REGULATORY APPROVAL 11.1.1 LABELING AND USER The RN4870 module has received, the regulatory INFORMATION REQUIREMENTS approval for the following countries: The RN4870 module has been labeled with its own . FCC ID number, and if the FCC ID is not visible when * United States/FCC ID: ASTBM70ABCDEFGH the module is installed inside another device, then the * Canada/ISED outside of the finished product into which the module is - IC: 12246A-BM70BLES1F2 installed must also display a label referring to the - HVIN: BM70BLES1F2 enclosed module. This exterior label can use wording ¢« Europe/CE as follows: * Japan/MIC: 202-SMD069 For the RN4870 module: * Korea/KCC: MSIP-CRM-mcp-BM70BLES1FC2 - - * Taiwan/NCC No: CCAN15LP0501T3 Contains Transmitter Module * China/SRRC: CMIIT ID: 2016DJ5729 FCC ID: ASTBM70ABCDEFGH or The RN4871 module has received the regulatory Contains FCC ID: ASTBM70ABCDEFGH approval for the following countries:
* United States/FCC ID: A8STBM71S2 This device complies with Part 15 of the FCC Rules. * Canada/ISED Operation is subject to the following two conditions: - IC: 12246A-BM71S2 (1) this device may not cause harmful interference, - HVIN: BM71BLES1FC2 and (2) this device must accept any interference * Europe/CE received, including interference that may cause . Japan/MIC: 005-101150 undesired operation. * Korea/KCC: MSIP-CRM-mcp-BM71BLES1FC2 —_ ; . * Taiwan/NCC No: CCAN16LP0011T7 Due to the limited size of the RN4871, the FCC Identifier - China/SRRC: CMIIT ID: 2016DJ5890 (FCC ID) is not displayed on the module. Therefore, the : FCC ID must be placed on the outside of the finished * Brazil/ANATEL: 02699-19-08759 product into which the module is installed and must . 11.1 also display a label referring to the enclosed module. United States This exterior label can use wording as follows: The RN4870/71 module has received Federal CommuniFor the RN4871 module: cations Commission (FCC) CFR47 Telecommunications, C , , Part 4 ; . a ontains Transmitter Module 15 Subpart C “Intentional Radiators” single modular FCC ID: A8STBM71S2 approval in accordance with Part 15.212 Modular . Transmitter approval. Single modular transmitter OF approval is defined as a complete RF transmission subContains FCC ID: A8STBM71S2 assembly, designed to be incorporated into another device, that must demonstrate compliance with FCC rules This device complies with Part 15 of the FCC Rules. and policies independent of any host. A transmitter with a Operation is subject to the following two conditions: modular grant can be installed in different end-use (1) this device may not cause harmful interference, products (referred to as a host, host product or host and (2) this device must accept any interference device) by the grantee or other equipment manufacturer, received, including interference that may cause then the host product may not require additional testing, undesired operation. or equipment authorization for the transmitter function provided by that specific module or limited module device. A host product itself is required to comply with all other applicable FCC equipment authorization regulations, requirements and equipment functions that are not associated with the transmitter module portion. For example, compliance must be demonstrated: to regulations for other transmitter components within a host product; to requirements for unintentional radiators (Part 15 Subpart B), such as digital devices, computer peripherals, radio receivers, etc.; and to additional authorization requirements for the non-transmitter functions on the transmitter module (i.e., Verification or Declaration of Conformity) as appropriate (e.g., Bluetooth and Wi-Fi® transmitter modules may also contain digital logic functions). eee reer eerence eee eee eeeeee © 2016-2021 Microchip Technology Inc. DS50002489E-page 39
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A user’s manual for the product should include the 11.1.3 APPROVED ANTENNAS Tollewing Stalement To maintain modular approval in the United States, only This equipment has been tested and found to comply the antenna types that have been tested shall be used. with the limits for a Class B digital device, pursuant to It is permissible to use different antenna, provided it is Part 15 of the FCC Rules. These limits are designed the same antenna type, antenna gain (equal to or less to provide reasonable protection against harmful than) with similar in-band and out-of band characteristics interference in a residential installation. This equip(refer to specification sheet for cutoff frequencies). ment generates, uses and can radiate radio For RN4870, the approval is received using the frequency energy, and if not installed and used in antenna listed in Figure 8-1. accordance with the instructions, may cause harmful . . . interference to radio communications. However, For RN4871, the approval is received using the there is no guarantee that interference will not occur antenna listed in Figure 8-2. in a particular installation. If this equipment does cause harmful interference to radio or television 11.1.4 HELPFUL WEBSITES reception, which can be determined by turning the Federal Communications Commission (FCC): equipment off and on, the user is encouraged to try to http://www.fec.gov correct the interference by one or more of the FCC Office of Engineering and Technology (OET) following measures: Laboratory Division Knowledge Database (KDB): ¢ Reorient or relocate the receiving antenna. http://apps.fcc.gov/oetcf/kdb/index.cfm * Increase the separation between the equipment and receiver. 11.2 Canada ° aeifferent fromegthat to which thealtareceiver is hal The RN4870/71 module. has been. certified for use in. conneefed! Canada under Innovation, Science and Economic . . Development Canada (ISED, formerly Industry * Consult the dealer or an experienced radio/TV Canada) Radio Standards Procedure (RSP) RSP-100, technician for help. Radio Standards Specification (RSS) RSS-247 and Additional information on labeling and user information RSS-Gen. Modular approval permits the installation of requirements for Part 15 devices can be found in KDB a module in a host device without the need to recertify Publication 784748, available at the FCC Office of the device. Engineering and Technology (OET) Laboratory Division Knowledge Database (KDB): 11.2.1 LABELING AND USER http://apps.fcc.gov/oetcf/kdb/index.cfm. INFORMATION REQUIREMENTS 11.1.2 Labeling requirements for the host product (from RF EXPOSURE RSP-100, Issue 12, Section 5): The host product shall All transmitters regulated by FCC must comply with RF be properly labeled to identify the module within the exposure requirements. KDB Publication 447498 host device. General RP lEgposure: Guidanas provides guidance |p On the RN4871, due to the limited module size, the IC determining whether proposed or existing transmitting identifier is displayed in the data sheet only andi it facilities, operations or devices comply with limits for cannot be displayed on the module label. human exposure to Radio Frequency (RF) fields adopted by the Federal Communications Commission (FCC). The Innovation, Science and Economic Development . . . : . Output Canada certification label of a module shall be clearly only power listed is conducted. This grant is valid visible at all times when installed in the host device; must when the module is sold to OEM integrators and otherwise, the host device must be labeled to display be installed by the OEM or OEM integrators. This the Innovation, Science and Economic Development transmitter is restricted for use with the specific Canada certification number of the module, preceded antenna(s) tested in this application for Certification by the word, “Contains”, or similar wording expressing and must not be co-located or operating in conjunction the same meaning, as follows: with any other antenna or transmitters within a host device, except in accordance with FCC multitransmitter For the RN4870 module: product procedures. This module is approved for installation into mobile or/and portable host platforms. For the RN4871 module:
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samme| User Manual Notice for License-Exempt Radio Appara11.2.2 RF EXPOSURE its then Speke Gs RSS-G6ii InBu 5; MBER 2O19) All transmitters regulated by the Innovation, Science and User manuals for license-exempt radio apparatus shall E ic Development Canada (ISED) must compl contain the following or equivalent notice in a conspiceagres sani ts listedinRSS-102-R md uous location in the user manual or alternatively, on the is a ita = re ‘ J ‘a i ” f ‘eae devine oF oth: requency ( ) Exposure Compliance o adio Communication Apparatus (all frequency bands). This device contains license-exempt transmitThis transmitter is restricted for use with a specific ter(s)/receiver(s) that comply with Innovation, antenna tested in this application for certification, and Science and Economic Development Canada’s must not be co-located or operating in conjunction with license-exempt RSS(s). Operation is subject to any other antenna or transmitters within a host device, the following two conditions: except in accordance with Innovation, Science and 1. This device may not cause interference. Economic Development Canada _ multitransmitter 2. This device must accept any interference, guidelines. including interference that may cause Theinstallation of the transmitter must ensure compliance undesired operation of the device. is demonstrated according to the ISED SAR procedures. L’émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux 11.2.3 APPROVED ANTENNAS CNR d’Innovation, Sciences et Développement For RN4870, the approval is received using the économique Canada applicables aux appareils antenna listed in Figure 8-1. radio exempts de licence. L’exploitation est For RN4871, the approval is received using the autorisée aux deux conditions suivantes: antenna listed in Figure 8-2. 1. L’appareil ne doit pas produire de brouillage. 2. L’appareil doit accepter tout brouillage 11.2.4 HELPFUL WEBSITES radioélectrique subi, méme si le brouillage Innovation, Science and Economic Development est susceptible d’en compromettre le Canada (ISED): http://www.ic.ge.ca/. fonctionnement. ; ; Transmitter Antenna (from Section 6.8 RSS-GEN, 11.3. Europe Issue 5, March 2019): User manuals for transmitters The RN4870/4871 module is Radio Equipment shall display the following notice in a conspicuous Directive (RED) assessed, CE marked, and has been location: manufactured and tested with the intention of being This radio transmitter [IC: 12246A-BM70BLES1F2 eters tees ire PREEDAS and IC: 12246A-BM71S2] has been approved by The RN4870/71 module has been tested to RED 2014/ Innovation, Science and Economic Development S3/EU Essential Requirements mentioned in the Canada to operate with the antenna types listed following European Compliance table. below, with the maximum permissible gain indicated. Antenna types not included in this list that TABLE 11-1: |EUROPEAN COMPLIANCE have a gain greater than the maximum gain | Certification | Standards _| Article | indicated for any type listed are strictly prohibited _———————— for use with this device. Le présent émetteur radio [IC: 12246A-BM70BLES1F2 and IC: 12246ABM71S2] a été approuvé par Innovation, Sciences isan ) et Développement économique Canada pour fonctionner avec les types d’antenne énumérés cidessous et ayant un gain admissible maximal. Les types d’antenne non inclus dans cette liste, et dont le gain est supérieur au gain maximal indiqué pour tout type figurant sur la liste, sont strictement interdits pour l’exploitation de I’émetteur. Immediately following the above notice, the manufacturer shall provide a list of all antenna types approved for use with the transmitter, indicating the maximum permissible antenna gain (in dBi) and required impedance for each.
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serene<br>The ETSI provides guidance on modular devices in 11.3.4 HELPFUL WEBSITES<br>GHP ‘af aie Sppipaton af Gabnonised Standards A document that can be used as a starting point in<br>covering Article 3.1(b) and Article 3.2 of the Directive understanding the use of Short Range Devices (SRD) in<br>2014/53/EU RED to multi-radio and combined radio Europe is the European Radio Communications Com-<br>and non-radio equipment” document available at: mittee (ERC) Recommendation 70-03 E, which can be<br>hthpw/vwwetsi.orgideliver/etsi_eg/209300_203399/ downloaded from the European Radio Communications<br>SEOSes ar ONeee Committee (ECC) at: http:/Amww.ecodocdb.dk/.<br>Note: To maintain conformance to the standards Additional helpful websites are:<br>anceMeiees MOIR pletegue eenieos SetEa + Radio Equipment Directive (2014/53/EU):<br>aoatable, the module shall be installed in https://ec.europa.eu/growth/single-market/<br>in this dataahasheet ‘sam subaaand innateshall not sicbe modified.why european-standards/harmonised-standards/red_en<br>When integrating a radio module into a * European Conference of Postal and ;<br>completed product, the integrator becomes Jelscemmunications Administrations (CEPT):<br>the manufacturer of the final product and is http:/Awww.cept.org _<br>therefore responsible for demonstrating * European Telecommunications Standards<br>compliance of the final product with the Institute (ETSI): http://www.etsi.org<br>essential requirements against the RED. * The Radio Equipment Directive Compliance<br>Association (REDCA): http://www.redca.eu/<br>11.3.1 LABELING AND USER<br>INFORMATION REQUIREMENTS 11.4 Japan<br>The label on the final product which contains the The RN4870/71 module has received type certification,<br>RN4870/71 module must follow CE marking and is labeled with its own technical conformity mark<br>requirements. and certification number, as required, to conform to the<br>11.3.2 technical standards regulated by the Ministry of Internal<br>CONFORMITY ASSESSMENT Affairs and Communications (MIC) of Japan pursuant<br>From ETSI Guidance Note EG 203367, Section 6.1, to the Radio Act of Japan.<br>non-radio products are combined with a radio product: Integration of this module into a final product does not<br>¢ If the manufacturer of the combined equipment require additional radio certification, provided installa-<br>installs the radio product in a host non-radio tion instructions are followed and no modifications of<br>product in equivalent assessment conditions the module are allowed. Additional testing may be<br>(i.e.,i.e., hosthost equivalentequivalent toto th the one used d forfor th the required:quired<br>assessment of the radio product) and according * If the host product is subject to electrical appliance<br>to the installation instructions for the radio safety (for example, powered from an AC mains)<br>product, then no additional assessment of the the host product may require Product Safety ,<br>combined equipment against Article 3.2 of the Electrical Appliance and Material (PSE) testing.<br>RED is required. The integrator should contact their conformance<br>11.33 APPROVED ANTENNAS laboratory to determine if this testing is required.<br>; : :<br>For RN4870, the approval is received using the antenna ¢ There(EMC) istest a voluntaryfor the host Electromagneticproduct administered Compatibilityby<br>listed in Figure 8-1. VCCII: http://www.vcci.jp/veci_e/index.html.<br>For RN4871, the approval is received using the antenna<br>listed in Figure 8-2. 11.4.1 LABELING AND USER<br>INFORMATION REQUIREMENTS<br>11.3.3.1 Simplified EU Declaration of The label on the final product which contains the<br>Conformity RN4870/71 module must follow Japan marking<br>Hereby, Microchip Technology Inc. declares that the requirements. The integrator of the module should refer<br>radio equipment type WFI32E01PC/WFI32E01PE/ to the labeling requirements for Japan available at the<br>WF132E01UC/WFI32E01UE is in compliance with Ministry of Internal Affairs and Communications (MIC)<br>Directive 2014/53/EU. website.<br>**----- End of picture text -----**<br>
The full text of the EU declaration of conformity for this product is available at:
https:/Awww.microchip.com/wwwproducts/en/RN4870 https:/Awww.microchip.com/wwwproducts/en/RN4871 (available under Documents > Certifications).
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samme| The RN4870 module is labeled with its own technical Due to the limited size of the RN4871, the KC mark is conformity mark and certification number. The final not displayed on the module. Therefore, the final product in which this module is being used must have product requires the KC mark and certificate number of a label referring to the type of certified module inside: the module: Contains transmitter module with certificate number: | ( Cmsip-cRM-mcp-BM71 BLES1FC2 11.5.2 HELPFUL WEBSITES Due to the limited size of the RN4871, the technical Korea Communications Commission (KCC): conformity mark and certification number are not dishttp://www.kcc.go.kr whichplayed thison themodulemodule.is beingTherefore,used themustfinalhaveproducta labelin Matienel; Radio. Research Agency (RRA):; referring to the type of certified module inside: http://rra.go.kr
Contains transmitter module with certificate number: 41.6 Taiwan The RN4870/71 module has received compliance approval in accordance with the Telecommunications ——— 005-1 01 a | 50 Act. Customers seeking to use the compliance = approval in their product should contact Microchip Technology sales or distribution partners to obtain a Letter of Authority. 11.4.2 HELPFUL WEBSITES Integration of this module into a final product does not Ministry of Internal Affairs and Communications (MIC): re acartonal Spe: comme install http:/\www.tele.soumu.go jp/e/index.htm ion instructions are followed and no modifications o the module are allowed. Association of Radio Industries and Businesses (ARIB): http://www.arib.or.jp/english/ 11.6.1 LABELING AND USER INFORMATION REQUIREMENTS 11.5 Korea The RN4870 module is labeled with its own NCC ID The RN4870/71 module has received certification of number, and if the NCC ID is not visible when the conformity in accordance with the Radio Waves Act. module is installed inside another device, then the outIntegration of this module into a final product does not side of the device must also displaya label referring to require additional radio certification, provided installathe enclosed module. This exterior label can use tion instructions are followed and no modifications of wording such as the following: the115.1 module areLABELING allowed. AND USER /(( CCANI sLP0501T35 INFORMATION REQUIREMENTS Due to the limited size of the RN4871, the NCC ID is The label on the final product, which contains the not displayed on the module. Therefore,the outside of RN4870/71 module, must follow KC marking requirethe device must also display a label referring to the ments. The integrator of the module should refer to the enclosed module. This exterior label can use wording labeling requirements for Korea available on the Korea such as the following: Communications Commission (KCC) website. The RN4870 module is labeled with its own KC mark. ( The final product requires the KC mark and certificate |& CCAN16LP0011T7 number of the module: | ( Cmsip-cRM-mcp-BM70BLES1FC2 eee reer eerence eee eee eeeeee © 2016-2021 Microchip Technology Inc. DS50002489E-page 43
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The user’s manual should contain the below warning (for RF device) in traditional Chinese: itt— | Kis ED EES RTE SH Sees A 4 (ie 0H SED EE Me dE Ty Se Bp SH _ JERE ET AT, 5], BREAST[SB] Et Dy[SE][ at] GIRS Be. MK zFaTt ROBE. SB POE (ED Raa BE[ZAR] EHS RM SRFBA ABE ; EE BAT ARE FETE AA Dids'4 = FBSA hee A. RRA Ae, Tak BRET CRiReIE. CVEHEWARSS ERIK, HBR _ see 11.6.2 HELPFUL WEBSITES National Communications Commission (NCC): http://www.ncc.gov.tw
11.8 Brazil ; ; The RN4871 stereo audio modules have received compliance approval in accordance with the Telecommunications Act of the Federal Republic of Brazil National Telecommunications Agency (ANATEL). Customers seeking to use the compliance approval in their product must contact Microchip Technology Inc. Authority. sales or distribution partners to obtain a Letter of The end product (host) manual must include the following statement: Modelo: RN4871 Ww ANATEL Agéncia Nacional de Telecomunicacées 02699-19-08759 , ; = os = Este equipamento nao tem direito a protegao contra interferéncia prejudicial e nao pode causar interferéncia em sistemas devidamente autorizados".
## 11.7. China
Este producto contém a placa Modelo RN4871 cddigo de homologagao ANATEL 02699-19-08759.
The RN4870/71 module has received certification of conformity in accordance with the China MIIT Notice 2014-01 of State Radio Regulation Committee (SRRC) certification scheme. Integration of this module into a final product does not require additional radio certification, provided installation instructions are followed and no modifications of the module are allowed. Refer to the SRRC certificate available in: https://www.microchip.com/wwwproducts/en/RN4870 or for expiry date: https://www.microchip.com/wwwproducts/en/RN4871 11.7.1 LABELING AND USER INFORMATION REQUIREMENTS
2 es ae 11.9 Other Regulatory Jurisdictions Should other regulatory jurisdiction certification be required by the customer, or the customer needs to recertify the module for other reasons, a certification utility is available. For further regulatory certification utility and documentation, contact your local Microchip Technology sales office.
## 11.10 Other Regulatory Information
- ¢ For information about other country jurisdictions not covered covered here, refer to: http:/www.microchip.com/design-centers/
- wireless-connectivity
- ; .
- The not covered covered here, refer to: oo module is labeled with its own CMIT ID as http:/www.microchip.com/design-centers/
- follows: wireless-connectivity CM- | il il | D ; 20 l 6DJ 5 7 29 ¢ toShouldrequiredrecertifyotherby thethe regulatory customer,module forjurisdictionorother the customerreasons,certificationcontact needsbe Microchip for the required utilities and
- The RN4871 module is labeled with its own own CMIT ID as documentation.
The RN4871 module is labeled with its own own CMIT ID as follows: CMIIT ID: 2016DJ5890
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## APPENDIX A: REVISION HISTORY
## Revision A (April 2016)
This is the initial release of this document.
## Revision B (October 2017)
- ¢ Added the new parts, RN4870-I/RMXXX and RN4871-I/RMXXX, released with increased operating temperature range.
- Updated Features section and removed Description section on page 1.
- ¢ Updated Table 1-1, Table 1-2, Table 1-4 and Table 10-1.
- « Revised Table 2-1 through Table 2-4. ¢ Updated Figure 1-4, Figure 3-1, Figure 3-2 and Figure 4-7.
- « Added Section 11.7 “China” to Section 11.0 “Regulatory Approval”.
- ¢ Updated Table 10-1 and “Product Identification System”.
## Revision C (December 2017)
- ¢ Updated Table 2-1 to correct information for the operating temperature range.
## Revision D (April 2019)
- ¢ Updated Bluetooth version from 4.2 to 5.0. ¢ Updated Features and Antenna Options.
- ¢ Updated Figure 5-2, Figure 5-3, Figure 5-4 and Figure 5-5.
- ¢ Updated Figure 9-1 and Figure 9-2 (P2_0 = 1). ¢ Updated Section 7.0 “Supported Services”. ¢ Updated Section 11.2 “Canada” and Section 11.3 “Europe”.
## Revision E (February 2021)
- « Added new description for VDD_IO pins in Table 1-2.
- ¢ Added labeling information of Brazil for RN4871 module.
- ¢ Added Section 11.1.3 “Approved Antennas”, Section 11.2.3 “Approved Antennas” and Section 11.8 “Brazil”.
- ¢ Updated Section 11.2.1 “Labeling and User Information Requirements”, Section 11.3 “Europe” and Section 11.7 “China”.
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## seman
## THE MICROCHIP WEBSITE
Microchip provides online support via our WWW site at www.microchip.com. This website is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, ; the website contains the following 9 information:
- ¢« Product Support — Data sheets and errata, aa :
- application notes and sample programs, design resources, user’s guides and hardware support documents, latest software releases and archived software
- General Technical Support — Frequently Asked Questions (FAQ), technical support requests, online discussion groups, Microchip consultant program member listing
## CUSTOMER SUPPORT
Users of Microchip products can receive assistance through several channels:
- Distributor or Representative .
- * CoualiSales: Office
¢ Field Application Engineer (FAE) . * Technical Support Customers should contact _ their distributor, representative or Field Application Engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document.
Technical support is available through the website at: http://microchip.com/support
- ¢ Business of Microchip — Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives
## CUSTOMER CHANGE NOTIFICATION SERVICE
Microchip’s customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, access the Microchip website at www.microchip.com. Under “Support”, click on “Customer Change Notification” and follow the registration instructions.
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To order or obtain information, for example, on pricing or delivery, refer to the factory or the listed sales office.
**==> picture [437 x 148] intentionally omitted <==**
**----- Start of picture text -----**<br>
PART NO. t ae XXX Example:<br>Device Temperature Package Firmware RN4870-V/RM118: Various temperature<br>Range9 RevisionNumber RN4870-I/RM128: Industrial temperature<br>Device: RN4870: Ceramic Chip Antenna<br>RN4870U: External Antenna<br>RN4871: = Ceramic Chip Antenna<br>RN4871U: External Antenna<br>Note 1: Tape and Reel identifier only appears in the<br>Temperature V = -20°C to +70°C (Various) catalog part number description. This<br>‘i = 40° ° j identifier is used for ordering purposes and<br>Range: 4ONG ip 425°C (industrial) is not printed on the device package. Check<br>with your Microchip Sales Office for package<br>Package: RM = Radio Module availability with the Tape and Reel option.<br>**----- End of picture text -----**<br>
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- samme| Note the following details of the code protection feature on Microchip devices: . Microchip products meet the specifications contained in their particular Microchip Data Sheet.
- . Microchip believes that its family of products is secure when used in the intended manner and under normal conditions.
- . There are dishonest and possibly illegal methods being used in attempts to breach the code protection features of the Microchip devices. We believe that these methods require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data Sheets. Attempts to breach these code protection features, most likely, cannot be accomplished without violating Microchip's intellectual property rights.
- . Microchip is willing to work with any customer who is concerned about the integrity of its code.
- . Neither Microchip nor any other semiconductor manufacturer can guarantee the security of its code. Code protection does not mean that we are guaranteeing the product is "unbreakable." Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip's code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication is provided for the sole Trademarks purpose of designing with and using Microchip products. InforThe Microchip name and logo, the Microchip logo, Adaptec, mation regarding device applications and the like is provided ee ama ae al te a chipkK IT, myls i coneibility4 te and sa ahaveal tener ms a oe flexPWR,chip logo, HELDO,CryptoMemory, IGLOO, JukeBlox,CryptoRF,KeeLoq,dsPIC,Kleer,FlashFlex, LANCheck, with your fesponsl pt iy to’ ensue inet your application meets LinkMD, maXStylus, maXTouch, MediaLB, megaAVR, Microsemi, your specifications. Microsemi logo, MOST, MOST logo, MPLAB, OptoLyzer, PackeTime, PIC, picoPower, PICSTART, PIC32 logo, PolarFire, THIS INFORMATION IS PROVIDED BY MICROCHIP "AS IS". Prochip Designer, QTouch, SAM-BA, SenGenuity, SpyNIC, SST, MICROCHIP MAKES NO REPRESENTATIONS OR WARSST Logo, SuperFlash, Symmetricom, SyncServer, Tachyon, RANTIES GF ANY KIND WHETHEREXPRESS OR BPLED, talemare: afbctoehip Teckiiologyccorponstad InthesLe.8. ani WRITTEN OR ORAL, STATUTORY OR OTHERWISE, aeaten , ee “es RELATED TO THE INFORMATION INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF NONAgileSwitch, APT, ClockWorks, The Embedded Control Solutions INFRINGEMENT, MERCHANTABILITY, AND FITNESS FORA Company, EtherSynch, FlashTec, Hyper Speed Control, HyperLight PARTICULAR PURPOSE OR WARRANTIES RELATED TO Load, IntelliMOS, Libero, motorBench, mTouch, Powermite 3, ITS Precision Edge, ProASIC, ProASIC Plus, ProASIC Plus logo, QuietCONDITION, QUALITY, OR PERFORMANCE. Wire, SmartFusion, SyncWorld, Temux, TimeCesium, TimeHub, IN TimePictra, TimeProvider, WinPath, and ZL are registered NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDItrademarks of Microchip Technology Incorporated in the U.S.A. RECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND Adjacent Key Suppression, AKS, Analog-for-the-DiA **g** e,italAny WHATSOEVERUSE, HOWEVERRELATEDCAUSED,TO THEEVENINFORMATIONIF MICROCHIPORHASITS aae aeeas pe nettachbe aAig iRg accahg oeee ee ‘ : ’ CryptoCompanion, CryptoController, dsPICDEM, dsPICDEM.net, BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES Dynamic Average Matching, DAM, ECAN, Espresso T1S, ARE FORESEEABLE. TO THE FULLEST EXTENT EtherGREEN, IdealBridge, In-Circuit Serial Programming, ICSP, ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON INICnet, Intelligent Paralleling, Inter-Chip Connectivity, ALL CLAIMS IN ANY WAY RELATED TO THE INFORMATION JitterBlocker, maxCrypto, maxView, memBrain, Mindi, MiWi, OR MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, ITS USE WILL NOT EXCEED THE AMOUNT OF FEES, IF NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP PICkit, PICtail, PowerSmart, PureSilicon, QMatrix, REAL ICE, FOR THE INFORMATION. Use of Microchip devices in life supRipple Blocker, RTAX, RTG4, SAM-ICE, Serial Quad I/O, port and/or safety applications is entirely at the buyer's risk, and Sadat oo et oa = eal ree aa fr ee Byer te eee ;denialA ame cee jrotaniisae Enduupe **r** Switcher,ance, TSHARC,SuperSwitc USBC **he** rck **I,** VariSense,Switchtec, VectorBlox,Synchro! VeriPHY,, Tota IStOS IpUroMmany ance aAMAges; Clas, SUIS, oF EXPENSES ViewSpan, WiperLock, XpressConnect, and ZENA are trademarks resulting from such use. No licenses are conveyed, implicitly or of Microchip Technology Incorporated in the U.S.A. and other otherwise, under any Microchip intellectual property rights countries. unless otherwise stated.
SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. The Adaptec logo, Frequency on Demand, Silicon Storage Technology, and Symmcom are registered trademarks of Microchip Technology Inc. in other countries. GestIC is a registered trademark of Microchip Technology Germany Il GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies.
© 2016-2021, Microchip Technology Incorporated, All Rights Reserved.
For information regarding Microchip’s Quality Management Systems, please visit www.microchip.com/quality.
## ISBN: 978-1-5224-7605-4
mE © 2016-2021 Microchip Technology Inc. DS50002489E-page 51
## xX a Worldwide Sales and Service Dn AMERICAS ASIA/PACIFIC ASIA/PACIFIC EUROPE
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DS50002489E-page 52
© 2016-2021 Microchip Technology Inc.
02/28/20
Updated at April 28, 2026
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