BC840/M/E, Compact BLE 5, Thread, Zigbee Modules

Ver 1.00, April 2019

Table Of Contents

1. Introduction

3

........................................................................................................................................................

BC840 Block Diagram

3

.......................................................................................................................................

BC840, ultra compact and ultra short range module for wearable

4

....................................................................

BC840M, compact and good range module

4

......................................................................................................

BC840E, ultra compact and ultra long range module

4

........................................................................................

2. Codes Development Using Nordic Tools

5

...........................................................................................................

Easy, fast and safe code development

5

..............................................................................................................

Over-The-Air DFU

5

.............................................................................................................................................

SoftDevices

5

.......................................................................................................................................................

Development Tools

5

............................................................................................................................................

3. Product Descriptions

6

.........................................................................................................................................

Block Diagram of nRF52840

6

.............................................................................................................................

ARM Trustzone CryptoCell 310

7

.........................................................................................................................

Mechanical Drawings

9

........................................................................................................................................

Pin Assignments of BC840, BC840M, and BC840E

12

........................................................................................

Pin Function

13

.....................................................................................................................................................

Mounting BC840 and BC840M on the Host PCB

15

............................................................................................

Host Board Layout

15

...........................................................................................................................................

4. Bluetooth Range Measurements

16

.....................................................................................................................

Measurement Results

16

......................................................................................................................................

Deployment Recommendations

16

......................................................................................................................

5. BC840 Evaluation Board

17

.................................................................................................................................

Nordic Development Tools

17

...............................................................................................................................

Android OS Apps

18

.............................................................................................................................................

iOS Apps

18

..........................................................................................................................................................

BC840 EvaluationBoard Schematics

19

...............................................................................................................

Suggestion for Battery Power Application

20

.......................................................................................................

6. Production

21

.......................................................................................................................................................

Preloaded Firmware

21

........................................................................................................................................

AT Command Codes

21

.......................................................................................................................................

Soldering Temperature-Time Profile for Re-Flow Soldering

22

............................................................................

Cautions, Design Notes, and Installation Notes

22

..............................................................................................

Packaging

25

........................................................................................................................................................

FCC Label

25

.......................................................................................................................................................

Revision History

26

..................................................................................................................................................

7. Contact Us

27

.......................................................................................................................................................

!2