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ATBTLC1000-MR110CA
Bluetooth 4.1, Class 2 Module, ARM Cortex® M0, 1.8V to 4.3V Supply, -93dBm Sensitivity, 2.4GHz
⚠️ 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 Class: Class 2
- Bluetooth Version: Bluetooth 4.1
- Supply Voltage Max: 4.3V
- Supply Voltage Min: 1.8V
- Receive Sensitivity: -93dBm
- Operating Temperature Max: 85°C
- Operating Temperature Min: -40°C
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 5.81 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
**ATBTLC1000-MR110CA**
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## **BLE Module**
## **DATASHEET**
## **Description**
The ATBTLC1000-MR110CA is an ultra-low power Bluetooth[®] SMART (BLE 4.1) module with Integrated Transceiver, Modem, MAC, PA, TR Switch, and Power Management Unit (PMU). It can be used as a Bluetooth Low Energy link controller or data pump with external host MCU.
The qualified Bluetooth[®] Smart protocol stack is stored in dedicated ROM, the firmware includes L2CAP service layer protocols, Security Manager, Attribute protocol (ATT), Generic Attribute Profile (GATT), and the Generic Access Profile (GAP). Additionally, application profiles such as Proximity, Thermometer, Heart Rate, Blood Pressure and many others are supported and included in the protocol stack.
The module contains all circuitry required including a ceramic high gain antenna, 26MHz crystal, and PMU circuitry. The customer simply needs to place the module on his board and provide power and a 32kHz Real Time Clock or crystal.
## **Features**
- Complies with Bluetooth V4.1, ETSI EN 300 328, and EN 300 440 Class 2, FCC CFR47 Part 15, ARIB STD-T66, and TELEC
- Bluetooth Certification
- QD ID Controller (see declaration D028678)
- QD ID Host (see declaration D028679
- 2.4GHz transceiver and Modem
- -95dBm/-93dBm programmable receiver sensitivity
- -20 to +3.5dBm programmable TX output power
- Integrated T/R switch
- Single wire antenna connection
- ARM Cortex[®] -M0 32-bit processor
- Single wire Debug (SWD) interface
- 4-channel DMA controller
- Brown out detector and Power On Reset
- Watch Dog Timer
- Memory
- 128kB embedded RAM (96kB available for application)
- 128kB embedded ROM
- Hardware Security Accelerators
- AES-128
- SHA-256
Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## Peripherals
- 12 digital and 1 wakeup GPIO
- Two Mixed Signal GPIOs
- Programmable 96kΩ pull-up or pull-down resistor for each GPIO
- Retention capable GPIO pads
- 1x SPI (Master/Slave)
- 2x I[2] C (Master/Slave)
- 2x UART
- 1x SPI Flash
- 3-axis quadrature decoder
- 4x Pulse Width Modulation (PWM), three General Purpose Timers, and one Wakeup Timer
- 2-channel 11-bit ADC
## Clock
- Integrated 26MHz oscillator
- 26MHz crystal oscillator
- Fully integrated sleep oscillator
- 32kHz RTC crystal oscillator
- Ultra Low power
- Less than 1.15µA (8KB RAM retention and RTC running)
- 3.0mA peak TX current (VBAT=3.6V, 0dBm TX power)
- 4.2mA peak RX current (VBAT=3.6V, -95dBm sensitivity)
- Very low average advertisement current (dependent on advertisement interval)
- Integrated Power management
- 1.8-4.3V input range for PMU
- 1.62-4.3V input range for I/O
- Fully integrated Buck DC-DC converter
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|**Table of Contents**|**Table of Contents**|
|---|---|
|**1**|**Ordering Information ................................................................................................... 4**|
|**2**|**Package Information ................................................................................................... 4**|
|**3**|**Block Diagram ............................................................................................................. 5**|
|**4**|**Pinout Information ....................................................................................................... 6**|
||4.1 Pin Assignment ..................................................................................................................................... 6|
||4.2 Pin Description ...................................................................................................................................... 7|
||4.3 Module Outline Drawing ........................................................................................................................ 8|
|**5**|**Electrical Specifications ............................................................................................. 9**|
||5.1 Absolute Maximum Ratings ................................................................................................................... 9|
||5.2 Recommended Operating Conditions ................................................................................................... 9|
||5.3 Restrictions for the Power States .......................................................................................................... 9|
||5.4 Power Sequences ............................................................................................................................... 10|
||5.4.1<br>Power-up Sequence ............................................................................................................... 10|
||5.4.2<br>Power-down Sequence .......................................................................................................... 11|
||5.5 Digital I/O Pin Behavior During Power-up Sequences......................................................................... 11|
||5.6 RTC Pins ............................................................................................................................................. 12|
|**6**|**Characteristics........................................................................................................... 13**|
||6.1 Device States ...................................................................................................................................... 13|
||6.2 Receiver Performance ......................................................................................................................... 13|
||6.3 Transmitter Performance ..................................................................................................................... 14|
|**7**|**Schematic Content .................................................................................................... 15**|
||7.1 Application Schematic ......................................................................................................................... 15|
|**8**|**Placement and Routing Guidelines .......................................................................... 17**|
||8.2 Power and Ground .............................................................................................................................. 18|
|**9**|**Interferers ................................................................................................................... 19**|
|**10**|**Reference Documentation and Support................................................................... 20**|
||10.1 Reference Documents ......................................................................................................................... 20|
|**11**|**Certifications ............................................................................................................. 21**|
||11.1 Agency Compliance ............................................................................................................................ 21|
|**12**|**Reflow Profile Information ........................................................................................ 22**|
||12.1 Storage Condition................................................................................................................................ 22|
||12.1.1 Moisture Barrier Bag Before Opened ..................................................................................... 22|
||12.1.2 Moisture Barrier Bag Open ..................................................................................................... 22|
||12.2 Stencil Design ..................................................................................................................................... 22|
||12.3 Baking Conditions ............................................................................................................................... 22|
||12.4 Soldering and Reflow Condition .......................................................................................................... 22|
||12.4.1 Reflow Oven ........................................................................................................................... 22|
|**13**|**Errata ....................................................................................................................... 24**|
|**14**|**Revision History ........................................................................................................ 25**|
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## **1 Ordering Information**
## **Table 1-1. Ordering code**
|**Ordering code**|**Package**|**Description**|
|---|---|---|
|ATBTLC1000-MR110CA|12.7 X 20.15mm|Chip Antenna|
## **2 Package Information**
**Table 2-1. ATBTLC1000-MR110CA Module Information[(1)]**
|**Parameter**|**Value**|**Units**|**Tolerance**|
|---|---|---|---|
|Package Size|12.700 X 20.152|mm||
|Pad Count|24|||
|Total Thickness|2.0874|mm|±0.078|
|Pad Pitch|0.9002|||
|Pad Width|0.600|||
|Exposed Paddle Pad size|2.7 x 2.7|||
Note: 1. For details, see Package Drawing in Section 4.3.
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## **3 Block Diagram**
Figure 3-1 shows the block diagram of the ATBTLC1000-MR110CA module.
## **Figure 3-1. Block Diagram**
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**----- Start of picture text -----**<br>
VDDIO VBAT<br>Antenna<br>Chip_En<br>AO_GPIO_0<br>LP_GPIO BTLC1000<br>Matching<br>BLE 4.1 SOC<br>GPIO_MS1/MS2<br>26 MHz<br>**----- End of picture text -----**<br>
From 32.768kHz crystal or clock
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## **4 Pinout Information**
## **4.1 Pin Assignment**
Figure 4-1 shows the module top view and pin numbering.
**Figure 4-1. ATBTLC1000 Pin Descriptions**
ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **4.2 Pin Description**
Table 4-1 provides details for the module pin assignments and descriptions.
## **Table 4-1. Pin Description**
|**NO**|**Name**|**Type**|**Description**|**Notes**|
|---|---|---|---|---|
|1|Ground|Power|Ground Pin. Connect to PCB ground.||
|2|LP_GPIO_0|I/O|Used for Single Wire Debug Clock|Debug interface pin. Connect to a<br>header or test point.|
|3|LP_GPIO_1|I/O|Used for Single Wire Debug Data|Debug interface pin. Connect to a<br>header or test point|
|4|LP_GPIO_2|I/O|General Purpose I/O|Default function is Host UART RxD|
|5|LP_GPIO_3|I/O|General Purpose I/O|Default function is Host UART TxD|
|6|VBAT|Power|Power Supply Pin for the on chip Power<br>Management Unit (PMU). Connect to a<br>1.8V – 4.3V power supply.||
|7|LP_GPIO_8|I/O|General Purpose I/O|Default function is Host UART CTS|
|8|LP_GPIO_9|I/O|General Purpose I/O|Default function is Host UART RTS|
|9|Ground|Power|Ground Pin. Connect to PCB ground.||
|10|LP_GPIO_10|I/O|General Purpose I/O|Default function is SPI_SCK|
|11|LP_GPIO_11|I/O|General Purpose I/O|Default function is SPI_MOSI|
|12|LP_GPIO_12|I/O|General Purpose I/O|Default function is SPI_SSN|
|13|Ground|Power|Ground Pin. Connect to PCB ground.||
|14|LP_GPIO_13|I/O|General Purpose I/O|Default function is SPI_MISO|
|15|GPIO_MS1|I/O|Mixed Signal I/O|Configurable to be a GPIO or ADC in-<br>put|
|16|GPIO_MS2|I/O|Mixed Signal I/O|Configurable to be a GPIO or ADC in-<br>put|
|17|Chip_En|Control|Chip Enable. A high level turns on the On<br>Chip PMU and enables operation of the<br>device. Low disables the device and turns<br>off the PMU.|Control this pin with a host GPIO. If<br>not used, tie to VDDIO.|
|18|RTC_CLKP||Positive Pin for Real Time Clock Crystal|Connect to a 32.768kHz Crystal|
|19|RTC_CLKN||Negative Pin for Real Time Clock Crystal|Connect to a 32.768kHz Crystal|
|20|AO_GPIO_0|I/O|Always on GPIO_0. Used to wake up the<br>device from sleep.||
|21|LP_GPIO_16|I/O|General Purpose I/O|Default function is Debug UART RxD|
|22|VDDIO|Power|Power Supply Pin for the I/O pins. Connect<br>to a 1.62V – 4.3V power supply.|I/O supply can be less than or equal to<br>VBAT|
|23|LP_GPIO_18|I/O|General Purpose I/O.|Default function is Debug UART TxD|
|24|Ground|Power|Ground Pin. Connect to PCB ground||
|25|Paddle|Power|Center Ground Paddle|Connect to inner PCB ground plane<br>with an array of vias|
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## **4.3 Module Outline Drawing**
Figure 4-2 shows the view of the module and the module dimensions. All dimensions are in mm.
**Figure 4-2. Module Dimensions (millimeters)**
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12.700<br>0.787<br>±0.078<br>NOTE: THIS PAD MUST<br>BE SOLDERED TO GND.<br>0.775 1.30<br>0.775<br>0.60 TY P<br>4.811 0.70 TYP<br>20.015 P1 P24 P24 P1 SHIEL D<br>P23 P2<br>P22 P3<br>PITCH0.900 12.45 P21 2.700 P4<br>P20 P5<br>P19 P6<br>P18 2.700 P7<br>11.15 P17 5.746 P8 PCB<br>0.775<br>3.224<br>2.975 3.425 2.087<br>±0.078<br>TOP VIEW SHIELD BOTTOM VIEW SIDE VIEW<br>P16 P15 P14 P13 P12 P11 P10 P9<br>BTLC1000_MR110CA REV<br>ATMEL CORP.<br>**----- End of picture text -----**<br>
**Figure 4-3. Customer PCB Footprint**
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12.700<br>NOTE: THIS PAD MUST<br>BE SOLDERED TO GND.<br>.050<br>TYP 1.50 TYP<br>2.700 20.015<br>2.700<br>0.900 5.189<br>PITCH<br>4.811<br>5.746<br>**----- End of picture text -----**<br>
SOLDER PAD FOOTPRINT
TOP VIEW
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## **5 Electrical Specifications**
## **5.1**
## **Absolute Maximum Ratings**
This section describes the minimum and maximum ratings the module can tolerate.
**Table 5-1. ATBTLC1000-MR110CA Absolute Maximum Ratings**
|**Symbol**|**Characteristics**|**Min.**|**Max.**|**Unit**|
|---|---|---|---|---|
|VDDIO|I/O Supply Voltage|-0.3|5.0|V|
|VBAT|Battery Supply Voltage|-0.3|5.0|V|
|VIN(1)|Digital Input Voltage|-0.3|VDDIO|V|
|VAIN(2)|Analog Input Voltage|-0.3|1.5|V|
|VESDHBM(3)|ESD Human Body Model|-1000, -2000<br>(see notes below)|+1000, +2000<br>(see notes below)|V|
|TA|Storage Temperature|-65|150|°C|
||Junction Temperature||125|°C|
- Notes: 1. VIN corresponds to all the digital pins.
2. VAIN corresponds to the following analog pins: VDDRF_RX, VDDAMS, RFIO, RTC_CLKN, RTC_CLKP, VDD_SXDIG, VDD_VCO.
3. For VESDHBM, each pin is classified as Class 1, or Class 2, or both:
- The Class 1 pins include all the pins (both analog and digital)
- The Class 2 pins include all digital pins only
- VESDHBM is ±1kV for Class1 pins. VESDHBM is ±2kV for Class2 pins.
## **5.2 Recommended Operating Conditions**
**Table 5-2. ATBTLC1000-MR110CA Recommended Operating Conditions**
|**Symbol**|**Characteristics**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|---|
|VDDIO|I/O Supply Voltage Low Range|1.62|1.80|4.3|V|
|VBAT|Battery Supply Voltage|1.8(1)|3.6|4.3|V|
||Operating Temperature|-40||85|°C|
Note: 1. VBAT supply must be greater than or equal to VDDIO.
## **5.3 Restrictions for the Power States**
When VDDIO is off (either disconnected or at ground potential), a voltage must not be applied to the device pins. This is because each pin contains an ESD diode from the pin to the VDDIO supply. This diode will turn ON when a voltage higher than one diode-drop is supplied to the pin. This, in turn, will try to power up the part through the VDDIO supply.
If a voltage must be applied to the signal pads while the chip is in a low power state, the VDDIO supply must be on.
Similarly, to prevent the pin-to-ground diode from turning on, do not apply a voltage that is more than 0.3V below ground to any pin.
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## **5.4 Power Sequences**
Describes that sequence and parameters for powering up and down the device.
## **5.4.1 Power-up Sequence**
The power-up sequence for ATBTLC1000 is shown in Figure 5-1. The timing parameters are provided in Table 5- 3.
## **Figure 5-1. ATBTLC1000 Power-up Sequence**
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VBATT<br>t BIO<br>VDDIO<br>t IOCE<br>CHIP_EN<br>t SCS<br>32kHz<br>RC Osc<br>**----- End of picture text -----**<br>
**Table 5-3. ATBTLC1000 Power-up Sequence Timing**
|**Parameter**|**Min.**|**Max.**|**Unit**|**Description**|**Notes**|
|---|---|---|---|---|---|
|tBIO|0||Ms|VBAT rise to VDDIO rise|VBAT and VDDIO can rise simultaneously or<br>can be tied together.|
|tIOCE|0|||VDDIO rise to CHIP_EN rise|CHIP_EN must not rise before VDDIO.<br>CHIP_EN must be driven high or low, not left<br>floating.|
|tSCS|10||µs|CHIP_EN rise to 31.25kHz<br>(2MHz/64) oscillator stabilizing||
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## **5.4.2 Power-down Sequence**
The power-down sequence for ATBTLC1000 is shown in Figure 5-2. The timing parameters are provided in Table 5-5.
## **Figure 5-2. ATBTLC1000 Power-down Sequence**
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**----- Start of picture text -----**<br>
CHIP_EN<br>t IOCE<br>VDDIO<br>t BIO<br>VBATT<br>32kHz<br>RC Osc<br>**----- End of picture text -----**<br>
**Table 5-4. ATBTLC1000 Power-down Sequence Timing**
|**Parameter**|**Min.**|**Max.**|**Unit**|**Description**|**Notes**|
|---|---|---|---|---|---|
|tIOCE|0||ms|CHIP_EN fall to VDDIO fall|CHIP_EN must fall before VDDIO. CHIP_EN must<br>be driven high or low, not left floating|
|tBIO|0|||VDDIO fall to VBAT fall|VBAT and VDDIO can fall simultaneously or can be<br>tied together|
## **5.5 Digital I/O Pin Behavior During Power-up Sequences**
Table 5-5 describes the digital I/O Pin states corresponding to device power modes.
## **Table 5-5. Digital I/O Pin Behavior in the Different Device States**
|**Device state**|**VDDIO**|**CHIP_EN**|**RESETN**|**Output driver**|**Input driver**|**Pull-up/down**<br>**resistor (96kΩ)**|
|---|---|---|---|---|---|---|
|Power_Down: core supply off|High|Low|Low|Disabled (Hi-Z)|Disabled|Disabled|
|Power-On Reset: core supply<br>on|High|High|Low|Disabled (Hi-Z)|Disabled|Enabled|
|Power-On Default: core sup-<br>ply on, device out of reset but<br>not programmed yet|High|High|High|Disabled (Hi-Z)|Enabled|Enabled|
|Power-On Default: core sup-<br>ply on, device out of reset but<br>not programmed yet|High|High|High|Programmed by<br>firmware for<br>each pin: Ena-<br>bled or Disabled|Opposite of<br>Output<br>Driver state|Programmed by<br>firmware for<br>each pin: Ena-<br>bled or Disabled|
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## **5.6 RTC Pins**
Module pins 18 and 19 (RTC_CLKP and RTC_CLKN, respectively) are used for a 32.768kHz crystal. To be compliant with the BLE specifications for connection events, the frequency accuracy of this clock has to be within ±500ppm. Because of the low drift of the 32.768kHz crystal oscillator clock and the fact that it can be accurately calibrated (±25ppm), the power consumption of the ATBTLC1000 can be minimized by leaving radio circuits in low power sleep mode for as long as possible until they need to wake up for the next connection timed event.
The block diagram in Figure 5-3(a) shows how the internal low-frequency Crystal Oscillator (XO) is connected to the external crystal.
Typically, the crystal should be chosen to have a load capacitance of 7pF to minimize the oscillator current.
Alternatively, if an external 32.768kHz clock is available, it can be used to drive the RTC_CLKP pin instead of using a crystal. The XO has 6pF internal capacitance on the RTC_CLKP pin. To bypass the crystal oscillator an external signal capable of driving 6pF can be applied to the RTC_CLK_P terminal as shown in Figure 5-3(b). This signal must be 1.2V maximum. RTC_CLK_N must be left unconnected when driving an external source into RTC_CLK_P.
**Figure 5-3. ATBTLC1000 Connections to Low-Frequency Crystal Oscillator**
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**----- Start of picture text -----**<br>
External Clock<br>RTC_CLK_N RTC_CLK_P RTC_CLK_N RTC_CLK_P<br>**----- End of picture text -----**<br>
## (a) (b)
- (a) Crystal oscillator is used (b) Crystal oscillator is bypassed
**Table 5-6. ATBTLC1000-MR110CA 32.768kHz External Clock Specification**
|**Parameter**|**Min.**|**Typ.**|**Max**|**Unit**|**Comments**|
|---|---|---|---|---|---|
|Oscillation frequency||32.768||kHz|Must be able to drive 6pF load @ desired frequency|
|VinH|0.7||1.2|V|High level input voltage|
|VinL|0||0.2|V|Low level input voltage|
|Stability – Temperature|-250||+250|ppm||
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## **6 Characteristics**
## **6.1 Device States**
## **Table 6-1. ATBTLC1000-MR110CA Device States**
|**Device state**|**CHIP_EN**|**VDDIO**|**IVBAT**<br>**(typical)**|**IVDDIO**<br>**(typical)**|**Remarks**|
|---|---|---|---|---|---|
|BLE_On_Transmit|On|On|3.0mA|12µA|VBAT = 3.6V @ 0dBm Pout|
|BLE_On_Receive|On|On|4.5mA|12µA|VBAT = 3.6V|
|Ultra Low Power|On|On|1.25µA|0.2µA|With 8KB retention memory, BLE Timer and<br>RTC enabled|
|Power_Down|GND|On|<0.05µA|<0.05µA|Chip Enable Off|
## **6.2 Receiver Performance**
## **Table 6-2. ATBTLC1000-MR110CA Receiver Performance**
|**Parameter**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|
|Frequency|2,402||2,480|MHz|
|Sensitivity with on-chip DC/DC|94.5|-93||dBm|
|Maximum Receive Signal Level||5||dBm|
|CCI||13||dB|
|ACI (N±1)||0||dB|
|N+2 Blocker (Image)||-20||dB|
|N-2 Blocker||-38||dB|
|N+3 Blocker (Adj. Image)||-35||dB|
|N-3 Blocker||-43||dB|
|N±4 or greater||-45||dB|
|Intermod (N+3, N+6)||-33||dBm|
|OOB (2GHz<f<2.399GHz)|-15|||dBm|
|OOB (f<2GHz)|-10|||dBm|
All measurements performed at 3.6V VBAT and 25°C, with tests following Bluetooth V4.1 standard tests.
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## **6.3 Transmitter Performance**
**Table 6-3. ATBTLC1000-MR110CA Transmitter Performance**
|**Parameter**|**Min.**|**Typ.**|**Max.**|**Unit**|
|---|---|---|---|---|
|Frequency|2,402||2,480|MHz|
|Output Power Range|-20||3.5|dBm|
|Minimum Output Power|-55||||
|In-band Spurious (N±2)||-40||dBm|
|In-band Spurious (N±3)||-50||dBm|
|2nd Harmonic Pout||-45||dBm|
|Frequency Dev||±250||kHz|
All measurements performed at 3.6V VBAT and 25°C, with tests following Bluetooth V4.1 standard tests.
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## **7 Schematic Content**
This chapter provides the schematic data for the ATBTLC1000 chip functionality on the ATBTLC1000-MR210 module. Module design information such as module schematics can be obtained under an NDA from Atmel.
## **7.1**
## **Application Schematic**
The ATBTLC1000-MR110CA module is fully self-contained. To use the module, just provide VBAT and VDDIO supplies. Figure 7-1 shows a typical design using the ATBTLC1000-MR110CA module. The schematic shows several host interfaces: UART with Flow Control (4-wire) and SPI as well as an input to the ADC on the GPIO_MS2 pin. A user can choose the interface(s) required for their application. If a 32.768kHz Real Time Clock is not available in the system, a 32.768kHz crystal can be used. Figure 7-2 shows a design using a crystal for the Real Time Clock. The crystal should be specified with a load capacitance, CL=7pF and a total frequency error of 200ppm.
## **Figure 7-1. Application Schematic Including 32.768kHz Crystal**
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**----- Start of picture text -----**<br>
VBAT<br>C1 Required only<br>when using a Li C1<br>coin cell battery.<br>Place C1 next to 10uF U1 VDDIO<br>the battery. 4V BTLC1000-MR110CA Module<br>1 24<br>GND1 GND4<br>SWCLK 2 23<br>Test Points TP1 SWDIO 3 LP_GPIO_0 LP_GPIO_18 22<br>for Atmel Use TP2 4 LP_GPIO_1 VDDIO 21<br>UART_RxD 5 LP_GPIO_2 LP_GPIO_16 20<br>UART_TxD 6 LP_GPIO_3 AO_GPIO_0 19 Wake<br>7 VBAT RTC_CLKN 18 Y1<br>UART_CTS 8 LP_GPIO_8 RTC_CKLP 17<br>UART_RTS LP_GPIO_9 Chip_En 32.768kHz<br>25 Chip_EN<br>Paddle<br>ADC_IN<br>IRQN<br>SPI_MISO<br>SPI_SSN<br>SPI_MOSI<br>SPI_SCK<br>GND2 LP_GPIO_10LP_GPIO_11LP_GPIO_12GND3 LP_GPIO_13GPIO_MS1GPIO_MS2<br>9 10 11 12 13 14 15 16<br>**----- End of picture text -----**<br>
15
ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **Figure 7-2. Application Schematic without 32.768kHz Crystal**
**==> picture [433 x 304] intentionally omitted <==**
**----- Start of picture text -----**<br>
VBAT<br>C1 Required only<br>when using a Li C1<br>coin cell battery.<br>Place C1 next to 10uF U1 VDDIO<br>the battery. 4V BTLC1000-MR110CA Module<br>1 24<br>SWCLK 2 GND1 GND4 23<br>Test Points TP1 SWDIO 3 LP_GPIO_0 LP_GPIO_18 22<br>for Atmel Use TP2 4 LP_GPIO_1 VDDIO 21<br>UART_RxD 5 LP_GPIO_2 LP_GPIO_16 20<br>UART_TxD 6 LP_GPIO_3 AO_GPIO_0 19 Wake<br>7 VBAT RTC_CLKN 18<br>UART_CTS 8 LP_GPIO_8 RTC_CKLP 17 32.768kHz<br>UART_RTS LP_GPIO_9 Chip_En<br>25 Chip_EN<br>Paddle<br>ADC_IN<br>IRQN<br>SPI_MISO<br>SPI_SSN<br>SPI_MOSI<br>SPI_SCK<br>GND2 LP_GPIO_10LP_GPIO_11LP_GPIO_12GND3 LP_GPIO_13GPIO_MS1GPIO_MS2<br>9 10 11 12 13 14 15 16<br>**----- End of picture text -----**<br>
16 ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **8 Placement and Routing Guidelines**
It is critical to follow the recommendations listed below to achieve the best RF performance:
1. The board should have a solid ground plane. The center ground pad of the device must be soldered to the ground plane by using a 3 x 3 grid of vias (see Figure 4-3). Each ground pin of the ATBTLC1000-MR110CA should have a ground via placed either in the pad or right next to the pad going down to the ground plane.
2. When the module is placed on the customer PCB design, a provision for the antenna must be made. There should be nothing under the portion of the module, which contains the antenna. This means the antenna should not be placed directly on top of the customer PCB as shown in Figure 8-1 (a). This can be accomplished by, for example, placing the module at the edge of the board such that the module edge with the antenna extends beyond the customer PCB edge by 6.5mm as shown in Figure 8-1 (b). Alternatively, a cutout in the customer PCB can be provided under the antenna. The cutout should be at least 22mm x 6.5mm (see Figure 8-1 (c) and Figure 8-2). If the cutout method is used, the ATBTLC1000-MR110CA should be centered in the cutout. The ATBTLC1000-MR110CA must have ground vias spaced 2.5mm apart that should be placed all around the perimeter of the cutout. No large components should be placed near the antenna.
3. Keep away from antenna, as far as possible, large metal objects to avoid electromagnetic field blocking
4. Do not enclose the antenna within a metal shield
5. Keep any components that may radiate noise or signals within the 2.4GHz – 2.5GHz frequency band far away from the antenna or better yet, shield the components that are generating the noise. Any noise radiated from the customer PCB in this frequency band will degrade the sensitivity of the ATBTLC1000MR110CA module.
**Figure 8-1. ATBTLC1000-MR110CA Placement Reference**
**==> picture [474 x 246] intentionally omitted <==**
**----- Start of picture text -----**<br>
Atmel<br>Poor Case<br>Atmel<br>Best Case<br>(b)<br>Acceptable Case<br>Atmel (c)<br>Atmel<br>System Ground Plane<br>Worst Case<br>(a)<br>**----- End of picture text -----**<br>
ATBTLC1000-MR110CA [DATASHEET] 17 Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **Figure 8-2. No PCB/GND Cut Out Area**
**==> picture [305 x 329] intentionally omitted <==**
**----- Start of picture text -----**<br>
22 mm<br>No PCB area cut out<br>6.5 mm<br>Atmel<br>ATBTLC1000<br>Module<br>**----- End of picture text -----**<br>
## **8.2 Power and Ground**
Dedicate one layer as a ground plane. Make sure that this ground plane does not get broken up by routes. Power can route on all layers except the ground layer. Power supply routes should be heavy copper fill planes to ensure the lowest possible inductance. The power pins of the module should have a via directly to the power plane as close to the pin as possible. Decoupling capacitors should have a via right next to the capacitor pin and this via should go directly down to the power plane – that is to say, the capacitor should not route to the power plane through a long trace. The ground side of the decoupling capacitor should have a via right next to the pad which goes directly down to the ground plane. Each decoupling capacitor should have its own via directly to the ground plane and directly to the power plane right next to the pad. The decoupling capacitors should be placed as close to the pin that it is filtering as possible.
18 ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **9 Interferers**
One of the biggest problems with RF receivers is poor performance due to interferers on the board radiating noise into the antenna or coupling into the RF traces going to input LNA. Care must be taken to make sure that there is no noisy circuitry placed anywhere near the antenna or the RF traces. All noise generating circuits should also be shielded so they do not radiate noise that is picked up by the antenna. Also, make sure that no traces route underneath the RF portion of the ATBTLC10000-MR110CA. Also, make sure that no traces route underneath any of the RF traces from the antenna to the ATBTLC1000-MR110CA input. This applies to all layers. Even if there is a ground plane on a layer between the RF route and another signal, the ground return current will flow on the ground plane and couple into the RF traces.
ATBTLC1000-MR110CA [DATASHEET] 19 Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **10 Reference Documentation and Support**
## **10.1 Reference Documents**
Atmel offers a set of collateral documentation to ease integration and device ramp.
The following list of documents available on Atmel web or integrated into development tools.
|**Title**|**Content**|
|---|---|
|Datasheet|This document|
|ATBTLC1000 SOC<br>Datasheet|Data sheet for the ATBTLC1000 SOC contained on this module.|
|ATBTLC1000<br>BluSDK: Hardware<br>Design Guidelines|<br>ATBLTC1000 hardware design guide with references for placement and routing, external RTC, re-<br>strictions on power states, type of information.|
|ATBTLC1000<br>BluSDK Release<br>Package|This package contains the software development kit and all the necessary documentation includ-<br>ing getting started guides for interacting with different hardware devices, device drivers, and API<br>call references.|
20 ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **11 Certifications**
## **11.1 Agency Compliance**
The ATBTLC1000-MR110CA has been tested and certified to meet the compliance for the following agencies:
- Bluetooth 4.1
- QD ID Controller (see declaration D028678)
- QD ID Host (see declaration D028679)
- FCC
- FCC ID: 2ADHKBTLC1000
- CFR47 Part 15
- ETSI
- EN 300 328
- EN 300 400 Class 2
- ARIB
- STD-T66
- TELEC
ATBTLC1000-MR110CA [DATASHEET] 21 Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **12 Reflow Profile Information**
This chapter provides guidelines for reflow processes in getting the Atmel module soldered to the customer’s design.
## **12.1 Storage Condition**
- **12.1.1 Moisture Barrier Bag Before Opened**
A moisture barrier bag must be stored in a temperature of less than 30°C with humidity under 85% RH.
The calculated shelf life for the dry-packed product shall be 12 months from the date the bag is sealed.
## **12.1.2 Moisture Barrier Bag Open**
Humidity indicator cards must be blue, <30%.
## **12.2 Stencil Design**
The recommended stencil is laser-cut, stainless-steel type with a thickness of 100µm to 130µm, and approximately a 1:1 ratio of stencil opening to pad dimension. To improve paste release, a positive taper with bottom opening 25µm larger than the top can be utilized. Local manufacturing experience may find other combinations of stencil thickness and aperture size to get good results.
## **12.3 Baking Conditions**
This module is rated at MSL level 3. After the sealed bag is opened, no baking is required within 168 hours so long as the devices are held at ≤30°C/60% RH or stored at <10% RH.
The module will require baking before mounting if:
- The sealed bag has been open for >168 hours
- Humidity Indicator Card reads >10%
- SIPs need to be baked for 8 hours at 125°C
## **12.4 Soldering and Reflow Condition**
## **12.4.1 Reflow Oven**
It is strongly recommended that a reflow oven equipped with more heating zones and Nitrogen atmosphere be used for lead-free assembly. Nitrogen atmosphere has shown to improve the wet-ability and reduce temperature gradient across the board. It can also enhance the appearance of the solder joints by reducing the effects of oxidation.
The following bullet items should also be observed in the reflow process:
- Some recommended pastes include NC-SMQ[®] 230 flux and Indalloy[®] 241 solder paste made up of 95.5 Sn/3.8 Ag/0.7 Cu or SENJU N705-GRN3360-K2-V Type 3, no clean paste.
- Allowable reflow soldering times: Three times based on the following reflow soldering profile (see Figure 121).
- Temperature profile: Reflow soldering shall be done according to the following temperature profile (see Figure 12-1).
- Peak temp: 250°C.
22 ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **Figure 12-1. Solder Reflow Profile**
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**----- Start of picture text -----**<br>
Slope: 1~2(217oC to peak)oC/sec max. (Peak: 250oC)<br>Ramp down rate:<br>217oC Max. 2.5oC/sec.<br>Preheat:150 ~ 200oC<br>60 ~ 120 sec. 40 ~ 70 sec.<br>25oC<br>Ramp up rate:<br>o Time (sec)<br>Max. 2.5 C/sec.<br>**----- End of picture text -----**<br>
## **12.5 Module Assembly Considerations**
The ATBTLC1000-MR110CA modules are assembled with an EMI Shield to ensure compliance with EMI emission and immunity rules. The EMI shield is made of a tin-plated steel (SPTE) and is not hermetically sealed. Solutions like IPA and similar solvents can be used to clean the ATBTLC1000-MR110CA module. However, cleaning solutions, which contain acid, should never be used on the module.
The Atmel/Microchip ATBTLC1000-MR110CA modules are manufactured without any conformal coating applied It is the customer’s responsibility if a conformal coating is specified and or applied to the ATBTLC1000-MR110CA module.
ATBTLC1000-MR110CA [DATASHEET] 23 Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **13 Errata**
**Issue:** The measured current for the device state cases listed in Table 6-1 will be higher than what is reported in the table.
This is because the Power number values in the SDK4.0 release have not been fully optimized to their final values.
A small sample measurement has been performed on 10 samples and they show the following results:
Measurement condition:
- 1-sec adverting interval
- 37 byte advertising payload
- Connectable beacon
- Advertising on three channels (37, 38,and 39)
- VBAT and VDDIO are set to 3.3V
SAM L21 has a measurement floor of 80nA which was compensated in the reported numbers (this number varies from board to board and needs to be compensated).
The Average advertising current: 11.3µA
The Average sleep current between beacons: 1.17µA
The average current for the 10 boards was (including 80nA floor):
|**Sample #**|**1**|**2**|**3**|**4**|**5**|**6**|**7**|**8**|**9**|**10**|
|---|---|---|---|---|---|---|---|---|---|---|
|**Average Current(µA)**|11.55|11.45|11.45|11.7|11.4|11.25|10.95|11.2|11.6|11.4|
**Workaround:** Will be resolved in an SDK update.
For a complete listing of development support tools and documentation, visit http://www.atmel.com/ or contact the nearest Atmel field representative.
24 ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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## **14 Revision History**
|**Doc Rev.**|**Date**|**Comments**|
|---|---|---|
|42514E|8/2016|**1.**<br>Corrected module pad width inTable 2-1.<br>**2.**<br>Revised Note 2 Vain in Absolute Max Power Ratings inTable 5-1.<br>**3.**<br>Updated RTC pictures inFigure 5-3.<br>**4.**<br>Replaced KHz with kHz.<br>**5.**<br>Added Placement and cutout drawings in 0, andFigure 8-1.<br>**6.**<br>Updated current values inTable 5-2.<br>**7.**<br>Revised Module POD and Footprint inFigure 4-2andFigure 4-3.<br>**8.**<br>Revised VDDIO max voltage inTable 5-1.<br>**9.**<br>Revised receive current inTable 6-1.<br>**10.**Added tolerance to freq dev inTable 6-3.<br>**11.**Revised receive performance numbers inTable 6-2.<br>**12.**Added section12.5for module assembly considerations.<br>**13.**Minor edits.|
|42514D|03/2016|**1.**<br>Corrected package table ground pad size inTable 2-1.<br>**2.**<br>Updated module drawing inFigure 4-2.<br>**3.**<br>Corrected Errata to refer toTable 6-1.<br>**4.**<br>Revised reflow recurrence inSection 13.|
|42514C||**1.**<br>Updated performance numbers.<br>**2.**<br>Added UART Flow Control.<br>**3.**<br>Added clearer diagrams.<br>**4.**<br>Added Agency Certification section.<br>**5.**<br>Corrected Package size value in Order information ChapterTable 1-1.<br>**6.**<br>Updated Module Drawing figure in Section4.3.<br>**7.**<br>Revised Schematic content Chapter7.<br>**8.**<br>Added Reflow Profile Chapter12.<br>**9.**<br>Added Errata Chapter13.|
||12/2015||
||||
|42514B|07/2015|Updated for B0 silicon|
|42514A|04/2015|Initial release|
25
ATBTLC1000-MR110CA [DATASHEET] Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
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26 ATBTLC1000-MR110CA [DATASHEET]
Atmel-42514E-ATBTLC1000-MR110CA-BLE-Module_Datasheet_08/2016
Updated at February 9, 2023
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