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BM832E Datasheet Preview

BM832E Datasheet

Bluetooth 5 Module

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Bluetooth 5 Module BM832/A/E Data Sheets

Ver 1.01 Dec. 2018

BluNor BM832/A/E are powerful, highly flexible, ultra low power Bluetooth Low Energy (BLE) modules using

Nordic nRF52 SoC. With an ARM CortexTM M4(F) MCU, up to 512KB flash, 64KB RAM, embedded 2.4GHz

multi-protocol transceiver, and an integrated PCB trace antenna. It allows faster time to market with reduced

development cost.

BM832/A/E are designed to minimize PCB cost and to maximize efficiency in production line dedicated for

Bluetooth module. The cost of using BM832/A/E modules can be lower than

designing-in SoC at any quantity. At low cost, BM832/A/E offer full features. Inductors

for DCDC converter are integrated. All 32 GPIOs are accessible.

Bluetooth ranges are measured in environments with Low Multiple Path Interference

(LMPI or antennas at 3 meters above ground) and antennas at 5 feet (1.52 meters,

typical height of thermostat in the USA). Bluetooth range is much shorter in

environments with radio frequency interference and severe multiple path interference.

BM832 Speciﬁcations:  

Nordic nRF52 with ARM Cortex M4F.

Complete RF solution with integrated antenna

Integrated DC-DC converter

Serial Wire Debug (SWD)

Nordic SoftDevice Ready

Over-the-Air (OTA) ﬁrmware update

Flash/RAM: 512KB/64KB or 256KB/32KB.

32 General purpose I/O pins

12 bit/200KSPS ADC, 8 conﬁgurable channels

with programmable gain.

3X SPI Master/Slave (8Mbps)

3X 4-channel pulse width modulator (PWM)

Low power comparator

2X 2-wire Master/Slave (I2C compatible)

I2S audio interface

UART (with CTS/RTS and DMA)

20 channel CPU independent Programmable

Peripheral Interconnect (PPI).

Applications 

Wearable

Beacons/Proximity

Fitness/Sports

Smart toys

Connected appliances

Lighting products

Quadrature Demodulator (QDEC)

128-bit AES HW encryption

5 x 32 bits, 3 x 24 bits Real Time Counters (RTC)

Available NFC-A tag interface for OOB pairing

Receiver Sensitivity: -96 dBm at 1Mbps

TX power: +/- 0 dBm; programmable 4 dBm to

-20dBm in 4 dB steps.

Hybrid pins: 16 castellated and 24 LGA.

Integrated PCB trace antenna;

Operation voltage: 1.7V to 3.6V

Embedded inductors for DCDC converter

Operation temperature: - 4 0 ° C t o + 8 5 ° C

FCC ID: X8WBM832

IC ID: 4100A-BM832

CE: Certified

TELEC: 201-180924

Australia/New Zealand: Certified

QDID:97989 

Sensors

Home and building automation

Key fobs

Wireless charger

Interactive entertainment devices 

Model Summaries

module

Flash/RAM

Size

GPIO

Antenna

BT range, antenna at LMPI

BT range, antenna at 1.52 M

Availability

BM832

512KB/64KB

10.2x15x1.9mm

PCB Trace

340 meters

270 meters

Production

BM832A

192KB/24KB

10.2x15x1.9mm

PCB Trace

340 meters

270 meters

Production

BM832E

512KB/64KB

10.2x15x1.9mm

u.FL

Production

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BM832E Datasheet Preview

BM832E Datasheet

Bluetooth 5 Module

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Bluetooth 5 Module BM832/A/E Data Sheets

Ver 1.01 Dec. 2018

Table Of Contents

1. Introduction........................................................................................................................................................3

BM832 Block Diagram.......................................................................................................................................3

BM832

BM832A .............................................................................................................................................................3

BM832E ............................................................................................................................................................3

2. Codes Development Using Nordic Tools...........................................................................................................4

Easy, fast and safe code development..............................................................................................................4

Over-The-Air DFU .............................................................................................................................................4

SoftDevices .......................................................................................................................................................4

Development Tools ............................................................................................................................................4

3. Product Overview ..............................................................................................................................................5

Nordic SoCs ......................................................................................................................................................5

Mechanical Drawings ........................................................................................................................................7

BM832/BM832A Pin Functions..........................................................................................................................8

Mounting BM832 on the Host PCB..................................................................................................................11

4. Bluetooth Range Measurements .....................................................................................................................12

Measurement Results......................................................................................................................................12

5. Evaluation Board .............................................................................................................................................13

Nordic Development Environment...................................................................................................................13

Loading Firmware into Evaluation Board Through a Nordic DK......................................................................13

Evaluation Board Schematic ...........................................................................................................................17

Suggestion for Battery Power Application .......................................................................................................18

6. Preloaded Firmware ........................................................................................................................................19

Reprogram with New AT Command Codes .....................................................................................................19

Reprogram with User’s Codes.........................................................................................................................19

7. Miscellaneous..................................................................................................................................................20

Soldering Temperature-Time Profile for Re-Flow Soldering ............................................................................20

Cautions, Design Notes, and Installation Notes ..............................................................................................20

Packaging........................................................................................................................................................23

FCC Label .......................................................................................................................................................23

8. Revision History ..............................................................................................................................................24

9. Contact Us.......................................................................................................................................................25

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BM832E Datasheet

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