BLE 5, Thread, Zigbee Modules,BT840X/XE
Ver 1.11 April 2019
2
CE
Availability
Sample
Sample
Table Of Contents
1. Introduction .......................................................................................................................................................... 4
BT840X Block Diagram ........................................................................................................................................ 4
BT840X ................................................................................................................................................................ 4
BT840XE .............................................................................................................................................................. 5
2. Codes Development Using Nordic Tools ............................................................................................................ 6
Easy, fast and safe code development ............................................................................................................... 6
Over-The-Air DFU ................................................................................................................................................ 6
SoftDevices .......................................................................................................................................................... 6
Development Tools .............................................................................................................................................. 6
3. Product Descriptions ............................................................................................................................................ 7
Block Diagram of nRF52840 ................................................................................................................................ 8
ARM Trustzone CryptoCell 310 ........................................................................................................................... 9
Mechanical Drawings ......................................................................................................................................... 12
Pin Assignments of BT840X .............................................................................................................................. 13
Pin Function ....................................................................................................................................................... 16
Mounting BT840X on the Host PCB .................................................................................................................. 17
Host Board Design for Low Cost or Long Range .............................................................................................. 18
Control Skyworks Power Amplifier .................................................................................................................... 19
4. Bluetooth Range Measurements ....................................................................................................................... 22
5. AT Commands ................................................................................................................................................... 23
6. BT840X Evaluation Board ................................................................................................................................. 23
Nordic Development Tools ................................................................................................................................ 24
Android OS Apps ............................................................................................................................................... 25
iOS Apps ............................................................................................................................................................ 25
BT840X V4 EvaluationBoard Schematics ......................................................................................................... 25
Suggestion for Battery Power Application ......................................................................................................... 26
7. Miscellaneous .................................................................................................................................................... 27
Soldering Temperature-Time Profile for Re-Flow Soldering ............................................................................. 27
Cautions, Design Notes, and Installation Notes ................................................................................................ 27
Packaging ........................................................................................................................................................... 30
FCC Label .......................................................................................................................................................... 30
Revision History ..................................................................................................................................................... 31
8. Contact Us ......................................................................................................................................................... 32
