RN1723-I/RM100

**RN1723** 

## **2.4 GHz IEEE Std. 802.11 b/g Wireless LAN Module** 

## **Key Features:** 

## **FIGURE 1:** 

**RN1723 MODULE** 

- Complete, Embedded 2.4 GHz IEEE 802.11 b/g Wireless LAN Module 

- 14 General Purpose Input/Output (GPIO) Pins (Four GPIO pins shared with the UART) 

- Eight Analog Sensor Inputs 

- Small Surface-Mount Module: 1.050” x 0.700” x 0.125” (26.67 mm x 17.78 mm x 3.18 mm) 

- Integrated Crystal, Internal Voltage Regulator, Matching Circuitry, Power Amplifier 

- Integrates Easily into Final Product – Minimizes Product Development, Provides Quicker Time to Market 

- Configured using Simple ASCII Commands 

- Networking: 

- Supports Infrastructure and SoftAp Networking Modes 

- Built-in Networking Applications: TCP, UDP, DHCP, DNS, ARP, HTTP Client, and FTP Client 

- Complete On-Board TCP/IP Networking Stack 

- Unique MAC Address 

- Upgrade Firmware Over-the-Air using FTP 

- Supports Wi-Fi[®] Protected Setup (WPS) 

## **Power Management:** 

- Ultra Low-Power Sleep Mode (4 µA) 

- Perfect for Portable Battery-Operated Devices 

- Battery Boost Control Circuitry 

- Real-Time Clock for Time Stamping, Auto-Sleep, and Auto-Wake 

## **Antenna:** 

- External Antenna Connection via RF Pad 

- Certified Antenna Types: Chip, Whip, PCB Trace, and Wire 

## **Media Access Control (MAC)/Baseband:** 

- Security: 

- WEP-128 

- WPA-PSK (TKIP) 

- WPA2-PSK (AES) 

- TLS 1.0, 1.1, and 1.2 (with external microprocessor) 

## **Operational:** 

- Operating Voltage: 3.3V (typical) 

- Temperature Range: -40°C to +85°C Industrial 

- Low Current Consumption: 

- RX mode: 40 mA 

- TX mode: 120 mA at 0 dBm 

- Sleep mode: 4 µA 

- Doze mode: 15 mA 

## **RF/Analog:** 

- Frequency: 2.412 to 2.462 GHz 

- Modulation: 

- 802.11b Compatibility: DSSS (CCK-11, CCK-5.5, DQPSK-2, DBPSK-1) 

- 802.11g: OFDM 

- Receive Sensitivity: -83 dBm Typical 

- Power Output: 0 to +12 dBm 

## **Over-the-Air Data Rate:** 

## **Compliance:** 

- Modular Certified for the United States (FCC) and Canada (IC) 

- European R&TTE Directive Assessed Radio Module 

- Australia and New Zealand 

- 1-11 Mbps for 802.11b 

- 6-54 Mbps for 802.11g 

## **Applications:** 

- Remote Equipment Monitoring 

- Telemetry 

- Industrial Sensors 

- Home Automation 

• Low-Power Battery Operations 

DS70005224A-page 1 

 2015 Microchip Technology Inc. 

**RN1723** 

## **Table of Contents** 

|1.0|Device Overview .......................................................................................................................................................................... 3|
|---|---|
|2.0|Circuit Description (Hardware Interface) ...................................................................................................................................... 9|
|3.0|Application Information............................................................................................................................................................... 15|
|4.0|Regulatory Approval................................................................................................................................................................... 17|
|5.0|Electrical Characteristics ............................................................................................................................................................ 23|



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DS70005224A-page 2 

 2015 Microchip Technology Inc. 

**RN1723** 

## **1.0 DEVICE OVERVIEW** 

The RN1723 is a stand-alone, embedded 802.11 b/g Wireless Local Area Network (WLAN) module. The module incorporates an on-board TCP/IP networking stack, cryptographic accelerator, power management subsystem, real-time clock, versatile sensor interface, 2.4 GHz transceiver, and RF power amplifier (see Figure 1-1). With the RN1723, designers can embed Wi-Fi and networking functionality rapidly into virtually any device. 

The RN1723 provides cost and time-to-market savings as a self-contained, Internet-enabling solution. The module has been designed to provide designers with a simple Wi-Fi solution that features: 

- Ease of integration and programming 

- Vastly reduced development time 

- Minimum system cost 

- Long battery life 

- Maximum value in a range of applications 

The RN1723 is configured with a simple ASCII command language. The “ _WiFly Command Reference, Advanced Features and Applications User's Guide_ ” (DS50002230), which is available for download from www.microchip.com, contains a complete listing and instructions of the ASCII command interface. 

In the simplest configuration, the module requires only power, ground, and UART Transmit (TX) and Receive (RX) connections. The RN1723 module can interface to low-cost microcontrollers using only two wires, UART TX and RX. 

The RN1723 has a versatile sensor interface that can be used to monitor analog signals such as temperature, audio, motion, and acceleration. 

The module has a small form factor, which makes it easy to integrate. Additionally, the module is compatible with standard pick-and-place equipment. 

The RN1723 is ideal for a vast range of applications that require long battery life, moderate processing power, moderate data throughput and occasional Wi-Fi connectivity, such as: 

- Real-Time Locationing Systems (RTLS) 

- Industrial and home automation 

- Health and fitness monitoring 

- Telemetry 

- Security 

Additionally, the module is perfect for mobile wireless applications, such as asset monitoring and sensors. 

The RN1723 can independently maintain a low-power wireless network connection. Ultra-low power usage and flexible power management maximize the module’s lifetime in battery-operated devices. A wide operating temperature range allows use in indoor and outdoor environments (i.e., industrial temperature range). 

When operating in Sleep mode, the module minimizes battery usage while still being able to respond to certain events, including internal timers and events on the sensor interfaces. Applications that make efficient use of the Sleep state can extend battery life to multiple years. 

The RN1723 has modular device approval for operation in the United States (FCC) and Canada (IC). The RN1723 module is an R&TTE Directive assessed radio module for operation in Europe. Refer to **Section 4.0 “Regulatory Approval”** for more information. 

**FIGURE 1-1: RN1723 MODULE BLOCK DIAGRAM** 

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**----- Start of picture text -----**<br>
RN1723<br>External<br>Antenna<br>128 KB 32-bit<br>RAM CPU 2 MB ROM Flash<br>2.4 GHz Memory<br>TX/RX<br>2.4 GHz Timers<br>Radio<br>802.11 b/g<br>MAC/PHY SPI<br>2.4 GHz SPI GPIO<br>PA UART<br>VDD IN<br>GPIO VDD BATT<br>Crypto ADC Power<br>Accelerator Management<br>UART<br>Sensor Interface<br>2 KB NVM<br>**----- End of picture text -----**<br>


DS70005224A-page 3 

 2015 Microchip Technology Inc. 

**RN1723** 

## **1.1 ASCII Command & Data Interface** 

A complete description of the ASCII command and data interface for the RN1723 module is provided in the “ _WiFly Command Reference, Advanced Features and Applications User's Guide_ ” (DS50002230). 

## **1.2 Interface Description** 

Figure 1-1 shows the RN1723 pin diagram. Figure 1-3 shows the microcontroller to RN1723 interface. Table 1-1 describes the RN1723 pins. 

## **FIGURE 1-2:** 

## **RN1723 PIN DIAGRAM** 

## **FIGURE 1-3:** 

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SENSOR6SENSOR7GND 3738 (Top View) RN1723 >,s 1110 GPIO3 Vdd<br>RESET 39 , 9 GPIO4/SD_CMD_MOSI<br>FORCE_AWAKE 40 y 8 GPIO5/SD_D0/MISO<br>GPIO14 41 , 7 GPIO6/SD_D1/INT<br>RTS/GPIO13 42 K 6 GPIO7/SD_D2<br>CTS/GPIO12 43 y 5 GPIO8/SD_D3/SS<br>RX/GPIO11 44 K 4 GPIO9/SD_CLK/SCLK<br>TX_GPIO10 45 , 3 ISP_RX<br>GND 4 67 S 21 GNDISP_TX<br>a 4  — ]<br>(o>) (ee)<br>vt vt<br>= ra<br>ao Oo<br>> on!<br>><br>,<br>©<br>(o)<br>Lu<br>or<br>Oo<br>MICROCONTROLLER TO RN1723 INTERFACE<br>MCU GT a | RN1723<br>UART UART<br>|  TX RX<br>| RX TX |<br>RTS CTS [(1)]<br>| CTS ——— RTS [(1)] |<br>LH SL — — — I<br>Note 1: Hardware flow control signals CTS and RTS should be used for<br>baud rates of 115200 or greater.<br>**----- End of picture text -----**<br>


DS70005224A-page 4 

 2015 Microchip Technology Inc. 

**RN1723** 

## **TABLE 1-1: PIN DESCRIPTIONS** 

|**Pin #**|**Name**|**Type**|**Description**|
|---|---|---|---|
|1|GND|P|Ground reference|
|2|ISP_TX|DO|In-systemprogrammingtransmit|
|3|ISP_RX|DI|In-systemprogrammingreceive|
|4|GPIO9/SD_CLK/SCLK|DIO|Generalpurpose I/O 9**(1,2)**/SDIO clock/SD-SPI slave SCLK|
|5|GPIO8/SD_D3/SS|DIO|Generalpurpose I/O 8**(1,3)**/SDIO D3/SD-SPI slave select|
|6|GPIO7/SD_D2|DIO|Generalpurpose I/O 7**(1,3)**/SDIO D2|
|7|GPIO6/SD_D1/INT|DIO|Generalpurpose I/O 6**(1,3)**/SDIO D1/SD-SPI slave INT|
|8|GPIO5/SD_D0/MISO|DIO|Generalpurpose I/O 5**(1,3)**/SDIO D0/SD-SPI slave MISO|
|9|GPIO4/SD_CMD/MOSI|DIO|Generalpurpose I/O 4**(1,3)**/SDIO CMD/SD-SPI slave MOSI|
|10|VDD|P|Positive supply|
|11|GPIO3|DIO|Generalpurpose I/O 3**(1,1)**|
|12|GPIO2|DIO|Generalpurpose I/O 2**(1,2)**|
|13|GPIO1|DIO|Generalpurpose I/O 1**(1,2)**|
|14|GND|P|Ground reference|
|15|SPI_CS|DO|SPI master chip select to internal Flash memory chip select (do not<br>connect)|
|16|SPI_MISO|DI|SPI master data Input to internal Flash memory data output (do not<br>connect)|
|17|SPI_SCK|DO|SPI master clock to internal Flash memoryclock(do not connect)|
|18|SPI_MOSI|DO|SPI master data output to internal Flash memory data input (do not<br>connect)|
|19|FLASH_POWER|P|Internal Flash memory power|
|20|GND|P|Ground reference|
|21|GND|P|Ground reference|
|22|GND|P|Ground reference|
|23|GND|P|Ground reference|
|24|ANT|AIO|RF antenna. 50impedance|
|25|GND|P|Ground reference|
|26|GND|P|Ground reference|
|27|GND|P|Ground reference|
|28|GND|P|Ground reference|
|29|SENSOR0|AI|Sensor interface 0**(4)**|
|30|SENSOR1|AI|Sensor interface 1**(4)**|
|31|SENSOR2|AI|Sensor interface 2**(4)**|
|32|SENSOR3|AI|Sensor interface 3**(4)**|
|33|SENSOR_POWER|P|Sensorpower|
|34|VDD|P|Positive supply|
|35|SENSOR4|AI|Sensor interface 4**(4)**|
|36|SENSOR5|AI|Sensor interface 5**(4)**|



**Legend:** A = Analog; D = Digital; I = Input; O = Output P = Power 

**Note 1:** Refer to **Section 5.0 “Electrical Characteristics”** for the GPIO voltage and current limitations. 

- **2:** Digital input/output (bidirectional) 8 mA drive, ~83 K internal pull-down. 3.3V tolerant. Reset State: Pull-down. 

- **3:** Digital input/output (bidirectional) 24 mA drive, no internal pull-down. 3.3V tolerant. Reset State: High-Z (do not allow to float). 

- **4:** Analog input. 0-400 mV (do not exceed 1.2V DC). 

DS70005224A-page 5 

 2015 Microchip Technology Inc. 

**RN1723** 

**TABLE 1-1: PIN DESCRIPTIONS (CONTINUED)** 

|**Pin #**|**Name**|**Type**|**Description**|
|---|---|---|---|
|37|SENSOR6|AI|Sensor interface 6~~**(4)**~~|
|38|SENSOR7|AI|Sensor interface 7**(4)**|
|39|GND|P|Ground reference|
|40|RESET|DI|Module Reset. Internal 100 kpull-up resistor. Apply a pulse of at<br>least 160µs|
|41|FORCE_AWAKE|DI|Module force awake. Internal 100 kpull-down resistor. Apply pulse<br>for at least 245 µs. While`FORCE_AWAKE`is asserted, the module is<br>prevented from sleeping|
|42|GPIO14|DIO|Generalpurpose I/O 14**(1,2)**|
|43|RTS/GPIO13|DO/DIO|UART asynchronous output/generalpurpose I/O**(1,2)**|
|44|CTS/GPIO12|DI/DIO|UART asynchronous input/generalpurpose I/O**(1,2)**|
|45|RX/GPIO11|DI/DIO|UART asynchronous input/generalpurpose I/O**(1,2)**|
|46|TX/GPIO10|DO/DIO|UART asynchronous output/generalpurpose I/O**(1,2)**|
|47|GND|P|Ground reference|
|48|SREG_3V3_CTRL|P|Batteryboost circuit control|
|49|VBATT|P|Batteryvoltage|
|**Legend:**<br>A = Analog;<br>D = Digital;<br>I = Input;<br>O = Output<br>P = Power<br>**Note 1:**<br>Refer to**Section 5.0 “Electrical Characteristics”**for the GPIO voltage and current limitations.||||



- **2:** Digital input/output (bidirectional) 8 mA drive, ~83 K internal pull-down. 3.3V tolerant. Reset State: Pull-down. 

- **3:** Digital input/output (bidirectional) 24 mA drive, no internal pull-down. 3.3V tolerant. Reset State: High-Z (do not allow to float). 

- **4:** Analog input. 0-400 mV (do not exceed 1.2V DC). 

DS70005224A-page 6 

 2015 Microchip Technology Inc. 

**RN1723** 

## **1.3 Mounting Details** 

Figure 1-4 and Figure 1-5 show the physical dimensions of the RN1723 module. Figure 1-6 shows the recommended host PCB layout. 

## **FIGURE 1-5: RN1723 MODULE PHYSICAL DIMENSIONS (BOTTOM VIEW)** 

## **FIGURE 1-4: RN1723 MODULE PHYSICAL DIMENSIONS (TOP AND SIDE VIEW)** 

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Sc000000 Side<br>LITT View<br>iS<br>'y<br>rf<br>P<br>S<br>\e<br>Top View iS<br>**----- End of picture text -----**<br>


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Bottom<br>ssys View<br>oSa) 1<br>a e<br>0.060"<br>Pad Detail<br>1<br>| | | |<br>os 9 9s 9<br>3 & § 8<br>° ° ° °<br>Dimensions are in inches.<br>Tolerances:<br>PCB Outline: +/- 0.005”<br>PCB Thickness: +/- 0.001”<br>Note: Pads at:<br>0.190 x 0.890<br>0.260 x 0.025<br>0.575 x 1.035<br>are grounded plated through holes for shield mounting<br>**----- End of picture text -----**<br>


## **FIGURE 1-6:** 

## **RECOMMENDED HOST PCB FOOTPRINT** 

DS70005224A-page 7 

 2015 Microchip Technology Inc. 

**RN1723** 

## **1.4 Soldering Recommendations** 

The RN1723 wireless module was assembled using the IPC/JEDEC J-STD-020 Standard lead-free reflow profile. However, the RN1723 module can be soldered to the host PCB using standard leaded and lead-free solder reflow profiles. 

To avoid damaging the module, it is recommended to adhere to the following: 

- Solder reflow recommendations are provided in the Microchip application note, AN233 _“Solder Reflow Recommendation”_ (DS00233) 

- Do not exceed a peak temperature (TP) of 250°C 

- Refer to the vendor’s 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. 

DS70005224A-page 8 

 2015 Microchip Technology Inc. 

**RN1723** 

## **2.0 CIRCUIT DESCRIPTION (HARDWARE INTERFACE)** 

## **2.1 UART Interface** 

The UART interface supports 2-wire (RX and TX) and 4-wire (RX, TX, CTS, and RTS) configurations with hardware flow control. The logic levels are CMOS voltage levels (not RS-232 voltage levels). 

The UART interface supports the following baud rates in bits per second: 

- 2,400 

- 4,800 

- 9,600 

- 19,200 

- 38,400 

- 115,200 

- 230,400 

Refer to the “ _WiFly Command Reference, Advanced Features and Applications User's Guide_ ” (DS50002230) for UART configuration information. 

**Note:** The use of flow control is highly recommended to ensure proper data integrity. 

## **2.2 SPI Master Interface** 

The RN1723 module contains a master Serial Peripheral Interface (SPI), SPI_CS, SPI_CLK, SPI_MISO, and SPI_MOSI, that is connected to an internal Flash memory. Do not connect these pins on the host PCB. 

## **2.3 SDIO Client Interface** 

The RN1723 modules contain an SDIO client with SDSPI mode and interface (SD_CLK/SCLK, SD_D3/SS, SD-D2, SD_D1/INT, SD_D0/MISO, and SD_CMD/ MOSI). This interface is not currently implemented in the WiFly application. 

## **2.4 In-System Programming (ISP)** 

The ISP_TX, ISP_RX, and other pins allow in-system programming of the module. The RN1723 module firmware can be upgraded by ISP using a `*.bin` file. 

**Note:** The over-the-air FTP update files ( `*.img` or `*.mif` ) are not compatible with the ISP. 

Optionally, it is recommended to place the ISP header on the host PCB to facilitate firmware upgrades during development and manufacturing. The header is two rows by 8 pins with a 0.050 inch space and pitch (Samtech P/N FTSH-108-01-F-DV-K). Refer to Figure 3-3 for information about connecting to the module for ISP. The RN-ISP in-system programming interface connects to the module for ISP. In addition, refer to the RNISP product page on the Microchip web site for more information. 

## **2.5 The Sensor Interface** 

External sensor devices can connect to the RN1723 module via its sensor interface. There are a total of 8 sensor interface inputs available. They are labeled SENSOR_IF[0] – SENSOR_IF[7], on the RN1723 Pin diagram, as shown in Figure 1-2. 

The sensor interface is suitable for, but not limited to, connecting the following type of devices: 

- Analog-to-Digital Conversion sensors 

- Switch sensor 

- Vibration sensors, motion sensors, and ball-and-tube sensors 

In addition to providing data input to the RN1723 module, some of the sensors can be used to wake-up the module from sleep. A typical use case would have one sensor input wake up the module, while another sensor input provides it with external data that can be transmitted wirelessly. 

## **2.6 Analog Sensor Inputs** 

Eight sensor interface input pins, SENSOR_IF0 through SENSORIF7, can be used as analog sensor inputs. The sensor pins are 1.2V tolerant and can accept input voltages up to 1.2V, but saturate at 400 mV. 

## **WARNING** 

**DO NOT apply voltages greater than 1.2V on any of the sensor pins. Failure to heed this warning could result in permanent damage to the module.** 

The RN1723 14-bit Analog-to-Digital Converter (ADC) requires a 35 ms conversion time, with 0.01% linearity. The pertinent analog sensor input specifications are provided in Table 2-1. 

**TABLE 2-1: ANALOG SENSOR INPUTS** 

|**Parameter**|**Value**|
|---|---|
|AD SENSOR_IF[0 – 7]<br>measurement range|0-400 mV (not to exceed<br>1.2 VDC)|
|Resolution|14 bits = 12µV|
|Accuracy|5% uncalibrated; 0.01%<br>calibrated|
|Minimum conversion time|35µs(5 kHz over Wi-Fi®)|



For additional instructions on how to read and manage the data from the analog sensor inputs, please refer to the `show q <value>` command in the _“WiFly Command Reference, Advanced Features and Applications User’s Guide”_ (DS50002230). 

DS70005224A-page 9 

 2015 Microchip Technology Inc. 

## **RN1723** 

## 2.6.1 SWITCH SENSORS 

The RN1723 module has four switch sensor input pins – SENSOR_IF[0 – 4]. These sensor pins can be used to wake the module from sleep. 

During sleep, the module can be configured to continuously monitor the present state of the pins. Any transition (low-to-high or high-to-low) will generate a module wake-up signal. 

A typical use case is to place the module into Sleep mode, and use one of the switches to trigger a wake-up event of the module.   After waking up, the module can then send a UDP/TCP packet. 

Figure 2-1 shows an example schematic of how a designer might connect both a simple Reed Switch and tilt-vibe motion sensor (SQ_SEN-200-C) to SENSOR_IF[0] and SENSOR_IF[3], respectively. When properly enabled, any transition activity on either sensor will wake up the RN1723. 

Please refer to the _“WiFly Command Reference, Advanced Features and Applications User’s Guide”_ (DS50002230A), and the section on the `set sys trigger <mask>` command for instructions on how to enable the switch sensor inputs on the module. Table 2-2 shows the specific value of the ‘mask’ that is required to enable any of the SENSOR_IF[0 – 3] inputs to act as module wake-up signals. 

**TABLE 2-2: SENSOR INPUT ENABLE** 

||**Wake On**<br>**Sensor**<br>**Input**<br>0|**Value**<br>1|**Command**<br>`Set sys trigger 1`|
|---|---|---|---|
||1|2|`Set sys trigger 2`|
||2<br>3|4<br>8|`Set sys trigger 4`<br>`Set sys trigger 8`|



## **WARNING** 

**The voltage on any sensor input CANNOT exceed 1.2V DC. Failure to heed this warning could result in permanent damage to the module.** 

**FIGURE 2-1:** 

**CONNECTING A REED SWITCH AND MOTION SENSOR EXAMPLE** 

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FORCE_AWAKE CTS/GPIO12RTS/GPIO13 [43] URTS RTSCTS<br>1 GND GPIO14 [42]<br>14 GND SW2<br>20 GND SENSOR0 [29] SENSOR_0<br>2122 GNDGND SENSOR1SENSOR2 [30][31] REED SPST U8<br>23 GND SENSOR3 [32] SENSOR_3 GND 1 2<br>25 GND SENSOR4 [35]<br>26 GND SENSOR5 [36] SQ-SEN-200-C<br>27 GND SENSOR6 [37]<br>28 GND SENSOR7 [38]<br>39 GND<br>GND<br>47 GND SPI_MISO [16]<br>ISP_TXISP_RX 23 ISP_TXISP_RX SPI_MOSISPSPI_CSI_SCK [18][17][15]<br>U2<br>GND<br>**----- End of picture text -----**<br>


DS70005224A-page 10 

 2015 Microchip Technology Inc. 

**RN1723** 

Another common usage case for the RN1723 module is to put it to sleep and only wake the module when there is data present on its UART RX line, as illustrated in Figure 2-2. 

**FIGURE 2-2: WAKE ON UART RECEIVE** 

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A1<br>GND<br>R13<br>VDD_3V3 0R<br>RESET_N 40 RESET ANT [24]<br>A2<br>GND SW6SENSOR_POWERFLASH_PWRSREG_CTRLISP_TXISP_RXFORCE_WAKEVBAT 103433194948411420212223252627283947123 VDDVDDSENSOR_POWERFLASH_POWERVBATTSREG_3V3_CTRLFORCE_AWAKEGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDGNDISP_TXISP_RX GPIO4/SD_CMD/MOSIGPIO9/SD_CLK/SCLKGPIO5/SD_D0/MISOGPIO6/SD_D1/INTGPIO8/SD_D3/SSGPIO7/SD_D2CTS/GPIO12RTS/GPIO13RX/GPIO11TX/GPIO10SPI_MISOSPI_MOSISENSOR0SENSOR1SENSOR2SENSOR3SENSOR4SENSOR5SENSOR6SENSOR7SPGPIO14SPI_CSGPIO1GPIO2GPIO3I_SCK [6][29][30][31][32][35][36][37][38][5][44][43][7][8][46][42][13][12][11][9][16][18][17][15][45][4] SENSOR_1SENSOR_2SENSOR_3SENSOR_4SENSOR_5SENSOR_6SENSOR_7SPI_MISOSPI_MOSISPI_CLKnSPI_CSSENSOR_0GPIO_1GPIO_2GPIO_3GPIO_4GPIO_5GPIO_6GPIO_7GPIO_8GPIO_9/SCKRN_UTXRN_URXRN_UCTSRN_URTSGPIO_1/MISO/MODE/MOSI/SIRQn/SSn4 SW4VDD_3R190RV3SENSOR_1 Component_1*RXTXRTSCTSMicrocontrollerR33470RR34 R32470RR35 SENSOR_0<br>U2 100k 100k<br>U8<br>SQ-SEN-200-C<br>GND<br>GND<br>GND<br>1<br>2<br>**----- End of picture text -----**<br>


DS70005224A-page 11 

 2015 Microchip Technology Inc. 

**RN1723** 

## **2.7 General Purpose Input/Output (GPIO) Pins** 

The RN1723 module has 14 GPIO (GPIO1 through GPIO14) pins that can be commanded by ASCII commands. GPIO10 through GPIO14 pins have secondary functions for the UART (TX, RX, CTS, and RTS), while others can control connection modes, LEDs, etc. 

Refer to the “ _WiFly Command Reference, Advanced Features and Applications User's Guide_ ” (DS50002230) for information on configuring and controlling the module. 

## **2.8 Flash Voltage Supply** 

The FLASH_POWER pin on the RN1723 module is used to power the internal Flash memory of the module. However, it can also supply other external components, up to a limit of 25 mA total current. When the RN1723 is in Sleep mode, it does not drive this supply. 

## **2.9 Power Management** 

The module supports an ultra-low power Sleep state, from which it can wake for a range of detected reasons. It transitions from sleep to CPU active in 1.7 ms, and from CPU active to network connection in less than 35 ms (typical). The RN1723 also supports a Doze state that provides an instant transition from Sleep to a Wake state. 

## 2.9.1 FORCE AWAKE 

The RN1723 module may be forced awake by asserting the FORCE_AWAKE pin for at least 245 ms. If the FORCE_AWAKE pin remains asserted, the module is prevented from sleeping or dozing. 

## 2.9.2 POWER SUPPLY 

The RN1723 module is designed to operate with a wide range of batteries, as well as a linear power supply. 

A power source that supplies a constant voltage greater than 3.0V can drive the module directly, as shown in Figure 2-3. 

**FIGURE 2-3: POWER SUPPLY FOR BATTERY (3.0V TO 3.7V)** 

**==> picture [364 x 213] intentionally omitted <==**

**----- Start of picture text -----**<br>
VBATT (49)<br>RN1723<br>Battery<br>3.0V to 3.7V VDD (10, 34)<br>SREG_3V3_CTRL (48)<br>**----- End of picture text -----**<br>


DS70005224A-page 12 

 2015 Microchip Technology Inc. 

**RN1723** 

## 2.9.3 BATTERY BOOST CONTROL CIRCUIT 

An external boost control circuit is required for battery powered designs that provide less than 3.0V because the RN1723 module does not have an internal boost regulator circuit. 

Figure 2-4 shows the recommended circuit for the boost regulator. 

## **WARNING** 

**The battery boost circuit should not be operated with battery supply voltages above 3.7 volts. Failure to heed this warning could result in permanent damage to the module.** 

## **FIGURE 2-4: RECOMMENDED BOOST REGULATOR CIRCUIT** 

DS70005224A-page 13 

 2015 Microchip Technology Inc. 

## **RN1723** 

The stand-alone boost circuitry is shown in Figure 2-5. 

## **FIGURE 2-5: POWER SUPPLY FOR BATTERY (1.8V TO 3.3V)** 

**==> picture [378 x 217] intentionally omitted <==**

**----- Start of picture text -----**<br>
VBATT (49)<br>1 µH<br>RN1723<br>Battery<br>1.8V to 3.7V VDD (10, 34)<br>20 µF<br>Siliconix<br>Si2312DS<br>SREG_3V3_CTRL (48)<br>**----- End of picture text -----**<br>


## **2.10 Module Reset** 

There are several ways to Reset the module: 

- A Power-on Reset (POR) is generated automatically when power is applied. This Reset is intended to initialize the module when a new battery is connected 

- Perform an external POR by pulling the RESET pin low 

- Perform a soft POR using software commands 

- A Reset can be triggered by a critical event, such as a brown-out, which is generated if the supply voltage drops below the minimum operating voltage 

## 2.10.1 BROWN-OUT DETECTION 

The RN1723 includes a brown-out detector that holds the module in Reset if the battery voltage falls below the minimum operating voltage. 

**Note:** If the RN1723 module is used in battery applications, it is highly recommended that a voltage supervisory device be employed. 

DS70005224A-page 14 

 2015 Microchip Technology Inc. 

**RN1723** 

## **3.0 APPLICATION INFORMATION** 

## **3.1 External Antenna Types** 

The RN1723 module has a 50 antenna connection on pin 24. Connect to an antenna through a host PCB microstrip trace layout to an external connector, PCB trace antenna, or component (chip) antenna. This trace can be extended to include passive parts for antenna attenuation padding, impedance matching, or to provide test ports. 

**Note:** Other components, such as amplifiers and active drivers, are not considered part of the trace layout and may void the modular certification of the RN1723 module. 

It is recommended that the trace layout from pin 24 to the external connector or antenna be as short as possible for minimum loss and best impedance matching. If the trace layout is longer, it should be a 50 impedance microstrip or co-planar waveguide PCB trace. 

Adjacent ground pins 21-23 and 25-27 should be connected to a low-impedance ground plane on the host PCB. 

Modular certification of the RN1723 module was performed with the external antenna types listed in Table 3-1. An antenna type comprises of antennas having similar in-band and out-of-band radiation patterns. Refer to **Section 4.0 “Regulatory Approval”** for specific regulatory requirements by country. 

**TABLE 3-1: TESTED EXTERNAL ANTENNA TYPES** 

|**Type(1)**|**Gain**|
|---|---|
|PCB Trace|0 dBi|
|Chip|1.07 dBi|
|Wire|0 dBi|



**Note 1:** An antenna type comprises of antennas having similar in-band and out-of-band radiation patterns. 

## 3.1.1 PCB TRACE ANTENNA 

Modular certification of the RN1723 module was performed with the PCB trace antenna shown in Figure 3-1. The exact dimensions of the trace antenna must be followed. 

## **FIGURE 3-1:** 

## **PCB TRACE ANTENNA** 

**==> picture [200 x 118] intentionally omitted <==**

**----- Start of picture text -----**<br>
������<br>������ ������<br>����������<br>�����������<br>����<br>�����<br>Dimensions are in inches.<br>������ ������ ������ ������ ������ ������<br>**----- End of picture text -----**<br>


## 3.1.2 CHIP ANTENNA 

Modular certification of the RN1723 module was preformed with the Fractus (http://www.fractus.com) chip antenna part number FR05-S1-N-0-104. Peak gain listed in the data sheet is 1.07 dBi. Any chip antenna type may be used with the RN1723 module, provided the gain is equal to or less than 1.07 dBi, and having similar in-band and out-of-band radiation patterns as the Fractus antenna. For proper operation of the chip antenna, refer to the vendor data sheet for PCB footprint details and mounting considerations. 

## 3.1.3 WHIP ANTENNA 

Modular certification of the RN1723 module was performed with a whip antenna with a peak gain of 2.2 dBi. 

Any whip antenna type may be used with the RN1723 module, provided the gain is equal to or less than 2.2 dBi, and having similar in-band and out-of-band radiation patterns. 

Connection to the whip antenna can be by a U.FL. Figure 3-2 shows a suggested PCB layout for a U.FL connector. 

**FIGURE 3-2:** 

**U.FL CONNECTOR** 

**==> picture [144 x 86] intentionally omitted <==**

Gerber files for the PCB trace antenna are available on the RN1723 module product page: 

http://www.microchip.com/rn1723 

DS70005224A-page 15 

 2015 Microchip Technology Inc. 

**RN1723** 

## **3.2 Optional ISP Header Schematic** 

Figure 3-3 shows a diagram with the optional ISP header. 

## **FIGURE 3-3: OPTIONAL IN-SYSTEM PROGRAMMING (ISP) HEADER** 

|GND<br>ISP_TX|1|1|GND<br>ISP_TX<br>RXD|2<br>4<br>|NC|
|---|---|---|---|---|---|
||3|||||
||||||RXD|
|||||||
|FORCE_AWAKE|5||FORCE_AWAKE<br>RESET_N|6<br>|RESET_N|
|||||||
|ISP_RX<br>NC||7|ISP_RX<br>TXD<br>GND|8|TXD|
||9|||||
||||||GND|
|||||||
|||||||



DS70005224A-page 16 

 2015 Microchip Technology Inc. 

**RN1723** 

## **4.0 REGULATORY APPROVAL** 

This section outlines the regulatory information for the RN1723 module for the following countries: 

- United States 

- Canada 

- Europe 

- Australia 

- New Zealand 

- Other Regulatory Jurisdictions 

## 4.1.1 LABELING AND USER INFORMATION REQUIREMENTS 

The RN1723 module has been labeled with its own FCC ID number, and if the FCC ID is not visible when the module is installed inside another device, then the outside of the finished product into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording as follows: 

Contains Transmitter Module FCC ID: OA3RN1723 

or 

## **4.1 United States** 

The RN1723 module has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C “Intentional Radiators” modular approval in accordance with Part 15.212 Modular Transmitter approval. Modular approval allows the end user to integrate the RN1723 module into a finished product without obtaining subsequent and separate FCC approvals for intentional radiation, provided no changes or modifications are made to the module circuitry. Changes or modifications could void the user’s authority to operate the equipment. The end user must comply with all of the instructions provided by the Grantee, which indicate installation and/or operating conditions necessary for compliance. 

The finished product is required to comply with all applicable FCC equipment authorizations regulations, requirements and equipment functions not associated with the transmitter module portion. For example, compliance must be demonstrated to regulations for other transmitter components within the host product; to requirements for unintentional radiators (Part 15 Subpart B “Unintentional Radiators”), 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) (e.g., transmitter modules may also contain digital logic functions) as appropriate. 

Contains FCC ID: OA3RN1723 

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 

A user’s manual for the product should include the following statement: 

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 

- Reorient or relocate the receiving antenna 

- Increase the separation between the equipment and receiver 

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected 

- Consult the dealer or an experienced radio/TV technician for help 

Additional information on labeling and user information requirements for Part 15 devices can be found in KDB Publication 784748 available at the FCC Office of Engineering and Technology (OET) Laboratory Division Knowledge Database (KDB): http://apps.fcc.gov/oetcf/kdb/index.cfm 

DS70005224A-page 17 

 2015 Microchip Technology Inc. 

## **RN1723** 

## 4.1.2 RF EXPOSURE 

All transmitters regulated by FCC must comply with RF exposure requirements. KDB 447498 General RF Exposure Guidance provides guidance in determining whether proposed or existing transmitting facilities, operations or devices comply with limits for human exposure to Radio Frequency (RF) fields adopted by the Federal Communications Commission (FCC). 

From the FCC Grant: Modular approval. Output power listed is conducted. This module may only be installed by the OEM or an OEM integrator. Only antenna(s) documented in this filing may be used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be collocated or operating in conjunction with any other antenna or transmitter within a host device, except in accordance with FCC multi-transmitter product procedures. OEM integrators and End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. 

## 4.1.3 APPROVED EXTERNAL ANTENNA TYPES 

To maintain modular approval in the United States, only the antenna types that have been tested shall be used. It is permissible to use different antenna manufacturers provided the same antenna type that has similar in-band and out-of-band radiation patterns and antenna gain (equal to or less than) is used. 

Modular approval testing of the RN1723 module was performed with the antenna types listed in Table 3-1. 

## 4.1.4 HELPFUL WEB SITES 

- Federal Communications Commission (FCC): http://www.fcc.gov 

- FCC Office of Engineering and Technology (OET) Laboratory Division Knowledge Database (KDB): http://apps.fcc.gov/oetcf/kdb/index.cfm 

## **4.2 Canada** 

The RN1723 module has been certified for use in Canada under Industry Canada (IC) Radio Standards Specification (RSS) RSS-210 and RSSGen. Modular approval permits the installation of a module in a host device without the need to recertify the device. 

## 4.2.1 LABELING AND USER INFORMATION REQUIREMENTS 

Labeling Requirements for the Host Device (from Section 3.2.1, RSS-Gen, Issue 3, December 2010): The host device shall be properly labeled to identify the module within the host device. 

The Industry Canada certification label of a module shall be clearly visible at all times when installed in the host device, otherwise the host device must be labeled to display the Industry Canada certification number of the module, preceded by the words “Contains transmitter module”, or the word “Contains”, or similar wording expressing the same meaning, as follows: 

Contains transmitter module IC: 7693A-RN1723 

User Manual Notice for License-Exempt Radio Apparatus (from Section 7.1.3 RSS-Gen, Issue 3, December 2010): User manuals for license-exempt radio apparatus shall contain the following or equivalent notice in a conspicuous location in the user manual or alternatively on the device or both: 

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. 

Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. 

Transmitter Antenna (from Section 7.1.2 RSS-Gen, Issue 3, December 2010): User manuals for transmitters shall display the following notice in a conspicuous location: 

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. 

Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. 

The above notice may be affixed to the device instead of displayed in the user manual. 

DS70005224A-page 18 

 2015 Microchip Technology Inc. 

**RN1723** 

User manuals for transmitters equipped with detachable antennas shall also contain the following notice in a conspicuous location: 

This radio transmitter (identify the device by certification number, or model number if Category II) has been approved by Industry Canada to operate with the antenna types listed below with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. 

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. 4.2.2 RF EXPOSURE All transmitters regulated by IC must comply with RF exposure requirements listed in RSS-102 - Radio Frequency (RF) Exposure Compliance of Radiocommunication Apparatus (All Frequency Bands). 

## 4.2.3 APPROVED EXTERNAL ANTENNA TYPES 

Transmitter Antenna (from Section 7.1.2 RSS-Gen, Issue 3, December 2010): 

The RN1723 module can only be sold or operated with antennas with which it was approved. Transmitter may be approved with multiple antenna types. An antenna type comprises antennas having similar in-band and out-of-band radiation patterns. Testing shall be performed using the highest gain antenna of each combination of transmitter and antenna type for which approval is being sought, with the transmitter output power set at the maximum level. Any antenna of the same type having equal or lesser gain as an antenna that had been successfully tested with the transmitter, will also be considered approved with the transmitter, and may be used and marketed with the transmitter. 

When a measurement at the antenna connector is used to determine RF output power, the effective gain of the device's antenna shall be stated, based on measurement or on data from the antenna manufacturer. For transmitters of output power greater than 10 milliwatts, the total antenna gain shall be added to the measured RF output power to demonstrate compliance to the specified radiated power limits. 

Modular approval testing of the RN1723 module was performed with the antenna types listed in Table 3-1. 

## 4.2.4 HELPFUL WEB SITES 

Industry Canada: http://www.ic.gc.ca/ 

## **4.3 Europe** 

The RN1723 module is an R&TTE Directive assessed radio module that is CE marked and has been manufactured and tested with the intention of being integrated into a final product. 

The RN1723 module has been tested to R&TTE Directive 1999/5/EC Essential Requirements for Health and Safety (Article (3.1(a)), Electromagnetic Compatibility (EMC) (Article 3.1(b)), and Radio (Article 3.2) and are summarized in Table 4-1. A Notified Body Opinion has also been issued. All test reports are available on the RN1723 product web page at http://www.microchip.com. 

DS70005224A-page 19 

 2015 Microchip Technology Inc. 

## **RN1723** 

The R&TTE Compliance Association provides guidance on modular devices in document Technical Guidance Note 01 available at: 

http://www.rtteca.com/html/download_area.htm 

**Note:** To maintain conformance to the testing listed in Table 4-1, the module shall be installed in accordance with the installation instructions in this data sheet and shall not be modified. 

When integrating a radio module into a completed product the integrator becomes the manufacturer of the final product and is therefore responsible for demonstrating compliance of the final product with the essential requirements of the R&TTE Directive. 

## 4.3.1 LABELING AND USER INFORMATION REQUIREMENTS 

The label on the final product which contains the RN1723 module must follow CE marking requirements. The R&TTE Compliance Association Technical Guidance Note 01 provides guidance on final product CE marking. 

## 4.3.3 HELPFUL WEB SITES 

A document that can be used as a starting point in understanding the use of Short Range Devices (SRD) in Europe is the European Radio Communications Committee (ERC) Recommendation 70-03 E, which can be downloaded from the European Radio Communications Office (ERO) at: http://www.ero.dk/. 

Additional helpful web sites are: 

- Radio and Telecommunications Terminal Equipment (R&TTE): http://ec.europa.eu/enterprise/rtte/index_en.htm 

- European Conference of Postal and Telecommunications Administrations (CEPT): http://www.cept.org 

- European Telecommunications Standards Institute (ETSI): http://www.etsi.org 

- European Radio Communications Office (ERO): http://www.ero.dk 

- The Radio and Telecommunications Terminal Equipment Compliance Association (R&TTE CA): http://www.rtteca.com/ 

## 4.3.2 EXTERNAL ANTENNA REQUIREMENTS 

From R&TTE Compliance Association document Technical Guidance Note 01: 

Provided the integrator installing an assessed radio module with an integral or specific antenna and installed in conformance with the radio module manufacturer’s installation instructions requires no further evaluation under Article 3.2 of the R&TTE Directive and does not require further involvement of an R&TTE Directive Notified Body for the final product, refer to Section 2.2.4. 

The European Compliance Testing listed in Table 4-1 was performed using the antenna types listed in Table 3-1. 

**TABLE 4-1: EUROPEAN COMPLIANCE TESTING** 

|**Certification**<br>~~a~~<br>|**Standard**<br>~~a~~<br><br>~~po~~|**Article**<br>~~|~~|**Laboratory**<br>~~ee~~<br>~~|~~|**Report Number**<br>~~ee~~<br>~~-—},-~~|**Date**<br>~~ee~~<br>~~-—},-—~~|
|---|---|---|---|---|---|
|Safety<br>~~a ~~<br>~~—f-———]~~|EN 60950-1:2006+A11:2009<br>+A1:2010+A12:2011<br> ~~a~~<br>~~—f-———]~~<br>~~po~~|(3.1(a))<br>~~—f-———]|~~|Worldwide<br>Testing<br>Services<br>(Taiwan) Co.,<br>Ltd.<br>~~ee~~<br>~~| ~~|W6R21403-14023-L<br>~~ee ~~<br>~~-—},-~~|2014-05-13<br> ~~ee~~<br>~~-—},-—~~|
|Health<br>~~—f-———]~~|EN 62479(2010)<br>~~—f-———]~~<br>~~po~~|||W6R21403-14023-62479 <br>~~-—},-~~|2014-05-09<br>~~-—},-—~~|
|EMC<br>~~—f-———]~~|EN 301 489-1 V1.9.2(2011-09)<br>~~—f-———]~~<br>~~po~~|(3.1(b))<br>~~—f-———]|~~||W6R21403-14023-E-16<br> ~~-—},-~~|2014-05-08<br>~~-—},-—~~|
||EN 301 489-17 V2.2.1<br>(2012-09)<br><br>~~po~~|||||
|Radio|EN 300 328 V1.8.1(2012-06)|(3.2)||W6R21403-14023-T-45|2014-05-09|
|Notified Body<br>Opinion<br>~~068~~|~~068~~|~~068~~|Eurofins<br>Product<br>Service GmbH<br>~~068~~|U9M-1406-3898-C-V01<br>~~068~~|2014-06-17<br>~~068~~|



DS70005224A-page 20 

 2015 Microchip Technology Inc. 

**RN1723** 

## **4.4 Australia** 

The Australia radio regulations do not provide a modular approval policy similar to the United States (FCC) and Canada (IC). However, RN1723 module RF transmitter test reports can be used in part to demonstrate compliance in accordance with ACMA Radio communications “Short Range Devices” Standard 2004 (The Short Range Devices standard calls up the AS/NZS 4268:2008 industry standard). The RN1723 module test reports can be used as part of the product certification and compliance folder. For more information on the RF transmitter test reports, contact Microchip Technology Australia sales office. 

To meet overall Australian final product compliance, the developer must construct a compliance folder containing all relevant compliance test reports e.g. RF, EMC, electrical safety and DoC (Declaration of Conformity) etc. It is the responsibility of the integrator to know what is required in the compliance folder for ACMA compliance. All test reports are available on the RN1723 product web page at http://www.microchip.com. For more information on Australia compliance, refer to the Australian Communications and Media Authority web site http://www.acma.gov.au/. 

## 4.4.1 EXTERNAL ANTENNA REQUIREMENTS 

To meet overall New Zealand final product compliance, the developer must construct a compliance folder containing all relevant compliance test reports e.g. RF, EMC, electrical safety and DoC (Declaration of Conformity) etc. It is the responsibility of the developer to know what is required in the compliance folder for New Zealand Radio communications. For more information on New Zealand compliance, refer to the web site http://www.rsm.govt.nz/. 

## 4.5.1 EXTERNAL ANTENNA REQUIREMENTS 

The compliance testing listed in Table 4-1 was performed using the antenna types listed in Table 3-1. 

## 4.5.2 HELPFUL WEB SITES 

Radio Spectrum Ministry of Economic Development: http://www.rsm.govt.nz/. 

## **4.6 Other Regulatory Jurisdictions** 

Should other regulatory jurisdiction certification be required by the customer, or the customer need 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. 

The compliance testing listed in Table 4-1 was performed using the antenna types listed in Table 3-1. 

## 4.4.2 HELPFUL WEB SITES 

The Australian Communications and Media Authority: www.acma.gov.au/. 

## **4.5 New Zealand** 

The New Zealand radio regulations do not provide a modular approval policy similar to the United States (FCC) and Canada (IC). However, RN1723 module RF transmitter test reports can be used in part to demonstrate compliance against the New Zealand “General User Radio License for Short Range Devices”. New Zealand Radio communications (Radio Standards) Notice 2010 calls up the AS / NZS 4268:2008 industry standard. The RN1723 module test reports can be used as part of the product certification and compliance folder. All test reports are available on the RN1723 product web page at http://www.microchip.com. For more information on the RF transmitter test reports, contact Microchip Technology sales office. 

Information on the New Zealand short range devices license can be found in the following web links: 

- http://www.rsm.govt.nz/cms/licensees/types-oflicence/general-user-licences/short-range-devices 

- http://www.rsm.govt.nz/cms/policy-and-planning/ spectrum-policy-overview/legislation/gazettenotices/product-compliance/ 

DS70005224A-page 21 

 2015 Microchip Technology Inc. 

**RN1723** 

## **NOTES:** 

DS70005224A-page 22 

 2015 Microchip Technology Inc. 

**RN1723** 

## **5.0 ELECTRICAL CHARACTERISTICS** 

## **TABLE 5-1: ENVIRONMENTAL CONDITIONS** 

|**TABLE 5-1:**<br>**ENVIRONMENTAL CONDITIONS**||
|---|---|
|**Parameter**|**Value**|
|Temperature Range(Operating)|-40º C to 85º C|
|Temperature Range(Storage)|-40º C to 85º C|
|Relative Humidity (Operating)|90%|
|Relative Humidity (Storage)|90%|
|Moisture SensitivityLevel|1|



## **TABLE 5-2: ELECTRICAL CHARACTERISTICS** 

|**Characteristic**|**Minimum**|**Typical**|**Maximum**|**Units**|
|---|---|---|---|---|
|**Supply Voltage**|||||
|VBATT|1.8|3.3|3.7|VDC|
|VDD_3V3|-0.3|—|3.7|VDC|
|VDD|3.0|—|3.7|V|
|**Digital Input**|||||
|Input Logic High VIH|2.3|—|—|VDC|
|Input Logic Low VIL|—|—|1.0|VDC|
|**Digital Output Drive**|||||
|GPIO 4, 5, 6, 7, 8|—|24|—|mA|
|GPIO 9, 10, 11, 12, 13|—|8|—|mA|
|**Power Consumption**|||||
|Sleep|—|4|—|µA|
|Stand-by (Doze)|—|15|—|mA|
|Connected(Idle, RX)|—|40|—|mA|
|Connected(TX)0 dBm|—|120|—|mA|
|Connected(TX)12 dBm|—|190|—|mA|



DS70005224A-page 23 

 2015 Microchip Technology Inc. 

**RN1723** 

**TABLE 5-3: ABSOLUTE MAXIMUM RATINGS** 

|**Parameter**|**Minimum**|**Typical**|**Maximum**|**Units**|**Comments**|
|---|---|---|---|---|---|
|VBATT|1.8|—|3.7|V|—|
|**Input Voltage for Pin Types:**<br>VDD, DI, DIO, DO|-0.3|—|See<br>Comments|V|The voltage should<br>never exceed 3.7V<br>and should be no<br>greater than 0.3V +<br>VDD. Refer to<br>**Section 2.9 “Power**<br>**Management”**for<br>further discussion.|
|**Input Voltage for Analog Pin Types:**<br>Analog1V2, SENSOR7:SENSOR0|—|—|1.2|V|—|
|**Input Voltage for Analog Pin Types:**<br>Analog RF|0|—|0|V|This pad is an RF out-<br>put. Do not apply any<br>voltage to the antenna<br>output.|
|**Input Voltage on Pins:**<br>FORCE_WAKE<br>RESET|-0.3|—|3.7|V|The voltage should<br>never exceed 3.7V<br>and should be no<br>greater than 0.3V +<br>VDD. Refer to<br>**Section 2.9 “Power**<br>**Management”**for<br>further discussion.|



## **WARNING** 

**A given RN1723 module pin can operate from three different voltages: VBATT, 1.2V, or 3.3V. If a pin is driven outside its absolute maximum ratings, the module may not work, may work inconsistently, or may be permanently damaged. Please adhere to the Electrical Characteristics in Table 5-2 to avoid damage, and the Absolute Maximum Ratings in Table 5-3 as appropriate for the proper operation.** 

## **TABLE 5-4: MODULE DIMENSIONS** 

|**Parameters**|**Dimensions**|**Units**|
|---|---|---|
|Size|26.67 x 17.78 x 3.18|mm|



## **TABLE 5-5: ANALOG SENSOR INPUTS** 

|**TABLE 5-5:**<br>**ANALOG SENSOR INPUTS**||
|---|---|
|**Parameters**|**Value**|
|Sensor 0, 1, 2, 3 Wake-up Detection Threshold|500 mV|
|AD Sensor 0-7 Measurement Range|0-400 mV**(Do not exceed 1.2V DC)**|
|Resolution|14 bits = 12V|
|Accuracy|5% Uncalibrated, 0.01% Calibrated|
|Minimum Conversion Time|35 µs (5 kHz over Wi-Fi®)|
|Sensor Power (Pin 33) Output Resistance 3.3V|10, Maximum Current = 50 mA|



## **TABLE 5-6: RADIO CHARACTERISTICS** 

|**TABLE 5-6:**<br>**RADIO CHARACTERISTICS**||
|---|---|
|**Parameters**|**Specification**|
|Frequency|2.412 to 2.462 GHz|



DS70005224A-page 24 

 2015 Microchip Technology Inc. 

**RN1723** 

## **TABLE 5-6: RADIO CHARACTERISTICS** 

|**TABLE 5-6:**<br>**RADIO CHARACTERISTICS**||
|---|---|
|Modulation|802.11b Compatibility: DSSS (CCK-11, CCK-5.5,<br>DQPSK-2, DBPSK-1)802.11g: OFDM|
|Channel Intervals|5 MHz|
|Channels|1-11|
|Transmission Rate (Over the Air)|1-11 Mbps for 802.11b/6-54 Mbps for 802.11g|
|Receive Sensitivity|-83 dBm Typical|
|Output Level (Class1)|-2 dBm to +12 dBm (Configurable via Software)|



## **TABLE 5-7: TRANSMITTER AC CHARACTERISTICS** 

|**Output Power**|**802.11 b (2 Mbps)**<br>**Current in mA(1)**|**802.11 g (24 Mbps)**<br>**Current in mA(1)**|
|---|---|---|
|0|120|135|
|2|130|150|
|4|170|190|
|6|175|200|
|8|180|210|
|10|185|225|
|12|190|240|



**Note 1:** Measured at 3.3V DC VCC. The power consumption is the average power, active during actual power consumption. 

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 2015 Microchip Technology Inc. 

**RN1723** 

## **NOTES:** 

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**RN1723** 

## **APPENDIX A: REVISION HISTORY** 

## **Revision A (May 2015)** 

This is the initial released version of the document. 

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**RN1723** 

## **NOTES:** 

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**RN1723** 

## **THE MICROCHIP WEB SITE** 

Microchip provides online support via our WWW site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information: 

- **Product Support** – Data sheets and errata, 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 

- Local Sales 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 web site 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 web site at www.microchip.com. Under “Support”, click on “Customer Change Notification” and follow the registration instructions. 

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**RN1723** 

## **PRODUCT IDENTIFICATION SYSTEM** 

To order parts, including industrial, or obtain information, for e.g., on pricing or delivery, refer to the factory or the listed sales office. 

||**PART NO.**|**PART NO.**|**I**|**I**|**RM**|**RM**|**XXX**|**XXX**||**Examples:**|**Examples:**|
|---|---|---|---|---|---|---|---|---|---|---|---|
||**Device**||**Temp Range**||**Radio**||**Firmware**|||a)|RN1723-I/RM = Industrial Temp|
||||||**Module**||**Revision Number**<br>**F**|||||
||Device||RN1723;|||||||||
||||VDDrange 3.0V to 3.7V|||||||||
||Temperature Range||I = -40C to +85C (Industrial Temperature)|||||||||
|||||||||||||



DS70005224A-page 30 

 2015 Microchip Technology Inc. 

**Note the following details of the code protection feature on Microchip devices:** 

- Microchip products meet the specification contained in their particular Microchip Data Sheet. 

- Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. 

- There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. 

- Microchip is willing to work with the customer who is concerned about the integrity of their code. 

- Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “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 regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE **.** Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. 

## **Trademarks** 

The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, flexPWR, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC[32] logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. 

The Embedded Control Solutions Company and mTouch are registered trademarks of Microchip Technology Incorporated in the U.S.A. 

Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet, KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, RightTouch logo, REAL ICE, SQI, Serial Quad I/O, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. 

SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. 

Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. 

GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. 

All other trademarks mentioned herein are property of their respective companies. 

© 2015, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. 

ISBN: 978-1-63277-360-9 

## **QUALITY MANAGEMENT  SYSTEM** 

## **CERTIFIED BY DNV** == **ISO/TS 16949** == 

_Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC[®] MCUs and dsPIC[®] DSCs, KEELOQ[®] code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified._ 

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 2015 Microchip Technology Inc. 

## **Worldwide Sales and Service** 

## **AMERICAS** 

**Corporate Office** 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Tel: 480-792-7200 Fax: 480-792-7277 Technical Support: http://www.microchip.com/ support Web Address: www.microchip.com 

**Atlanta** Duluth, GA Tel: 678-957-9614 Fax: 678-957-1455 

**Austin, TX** Tel: 512-257-3370 

**Boston** Westborough, MA Tel: 774-760-0087 Fax: 774-760-0088 

**Chicago** Itasca, IL Tel: 630-285-0071 Fax: 630-285-0075 

**Cleveland** Independence, OH Tel: 216-447-0464 Fax: 216-447-0643 

**Dallas** Addison, TX Tel: 972-818-7423 Fax: 972-818-2924 

**Detroit** Novi, MI Tel: 248-848-4000 

**Houston, TX** Tel: 281-894-5983 

**Indianapolis** Noblesville, IN Tel: 317-773-8323 Fax: 317-773-5453 

**Los Angeles** Mission Viejo, CA Tel: 949-462-9523 Fax: 949-462-9608 

**New York, NY** Tel: 631-435-6000 

**San Jose, CA** Tel: 408-735-9110 

**Canada - Toronto** Tel: 905-673-0699 Fax: 905-673-6509 

## **ASIA/PACIFIC** 

**Asia Pacific Office** Suites 3707-14, 37th Floor Tower 6, The Gateway Harbour City, Kowloon Hong Kong Tel: 852-2943-5100 Fax: 852-2401-3431 

**Australia - Sydney** Tel: 61-2-9868-6733 Fax: 61-2-9868-6755 

**China - Beijing** Tel: 86-10-8569-7000 Fax: 86-10-8528-2104 

**China - Chengdu** Tel: 86-28-8665-5511 Fax: 86-28-8665-7889 

**China - Chongqing** Tel: 86-23-8980-9588 Fax: 86-23-8980-9500 

**China - Dongguan** Tel: 86-769-8702-9880 

**China - Hangzhou** Tel: 86-571-8792-8115 Fax: 86-571-8792-8116 

**China - Hong Kong SAR** Tel: 852-2943-5100 Fax: 852-2401-3431 

**China - Nanjing** Tel: 86-25-8473-2460 Fax: 86-25-8473-2470 

**China - Qingdao** Tel: 86-532-8502-7355 Fax: 86-532-8502-7205 

**China - Shanghai** Tel: 86-21-5407-5533 Fax: 86-21-5407-5066 

**China - Shenyang** Tel: 86-24-2334-2829 Fax: 86-24-2334-2393 

**China - Shenzhen** Tel: 86-755-8864-2200 Fax: 86-755-8203-1760 

**China - Wuhan** Tel: 86-27-5980-5300 Fax: 86-27-5980-5118 

**China - Xian** Tel: 86-29-8833-7252 Fax: 86-29-8833-7256 

## **ASIA/PACIFIC** 

**China - Xiamen** Tel: 86-592-2388138 Fax: 86-592-2388130 

**China - Zhuhai** Tel: 86-756-3210040 Fax: 86-756-3210049 

**India - Bangalore** Tel: 91-80-3090-4444 Fax: 91-80-3090-4123 

**India - New Delhi** Tel: 91-11-4160-8631 Fax: 91-11-4160-8632 

**India - Pune** Tel: 91-20-3019-1500 

**Japan - Osaka** Tel: 81-6-6152-7160 Fax: 81-6-6152-9310 

**Japan - Tokyo** Tel: 81-3-6880- 3770 Fax: 81-3-6880-3771 

**Korea - Daegu** Tel: 82-53-744-4301 Fax: 82-53-744-4302 

**Korea - Seoul** Tel: 82-2-554-7200 Fax: 82-2-558-5932 or 82-2-558-5934 

**Malaysia - Kuala Lumpur** Tel: 60-3-6201-9857 Fax: 60-3-6201-9859 

**Malaysia - Penang** Tel: 60-4-227-8870 Fax: 60-4-227-4068 

**Philippines - Manila** Tel: 63-2-634-9065 Fax: 63-2-634-9069 

**Singapore** Tel: 65-6334-8870 Fax: 65-6334-8850 

**Taiwan - Hsin Chu** Tel: 886-3-5778-366 Fax: 886-3-5770-955 

**Taiwan - Kaohsiung** Tel: 886-7-213-7828 

**Taiwan - Taipei** Tel: 886-2-2508-8600 Fax: 886-2-2508-0102 

**Thailand - Bangkok** Tel: 66-2-694-1351 

Fax: 66-2-694-1350 

## **EUROPE** 

**Austria - Wels** 

Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 **Denmark - Copenhagen** Tel: 45-4450-2828 Fax: 45-4485-2829 

**France - Paris** Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79 

**Germany - Dusseldorf** Tel: 49-2129-3766400 

**Germany - Munich** Tel: 49-89-627-144-0 Fax: 49-89-627-144-44 

**Germany - Pforzheim** Tel: 49-7231-424750 

**Italy - Milan** Tel: 39-0331-742611 Fax: 39-0331-466781 

**Italy - Venice** Tel: 39-049-7625286 

**Netherlands - Drunen** Tel: 31-416-690399 Fax: 31-416-690340 

**Poland - Warsaw** Tel: 48-22-3325737 

**Spain - Madrid** Tel: 34-91-708-08-90 Fax: 34-91-708-08-91 

**Sweden - Stockholm** Tel: 46-8-5090-4654 

**UK - Wokingham** Tel: 44-118-921-5800 Fax: 44-118-921-5820 

01/27/15 

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