Ebyte E73-TBA, User Manual

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Chengdu Ebyte Electronic Technology Co.,Ltd. E73-TBX User Manual
Copyright ©2012–2019 ， Chengdu Ebyte Electronic Technology Co.,Ltd.
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Contents
1. Development Board Hardware Introduction ..................................................................................................................... 2
1.1 Brief Introduction ................................................................................................................................................... 2
1.2 Principle Description .............................................................................................................................................. 3
1.2.1. Chip Introduction ........................................................................................................................................ 3
1.3 Development Board Circuit Diagram Introduction ................................................................................................. 4
1.3.1. Power circuit ............................................................................................................................................... 4
1.3.2. USB to Serial Circuit .................................................................................................................................. 4
1.3.3.User button ................................................................................................................................................... 5
1.3.4. User LED .................................................................................................................................................... 5
1.3.5. Extended pin header .................................................................................................................................... 6
1.4. Development Board Interface Description ............................................................................................................. 6
1.4.1. External antenna connection ....................................................................................................................... 6
1.4.2. Power Supply and Serial Port ..................................................................................................................... 7
1.4.3. Program Download Interface ...................................................................................................................... 7
1.4.4. Pin Definition .............................................................................................................................................. 8
1.5. Development Board Open-Box Testing ................................................................................................................. 8
1.5.1. Packing List ................................................................................................................................................ 8
1.5.2. Open-Box Testing ....................................................................................................................................... 8
2. Development tool introduction ....................................................................................................................................... 14
2.1. Description of program burning ........................................................................................................................... 14
2.2. Instructions for NRFGO STUDIO ....................................................................................................................... 15
1) ERASE ALL ................................................................................................................................................... 17
2) Program SoftDevice ....................................................................................................................................... 17
3) Program Application....................................................................................................................................... 18
2.3. Introduction to debugging simulation burning tool.............................................................................................. 19
3. Basic knowledge of Bluetooth 4.X BLE ......................................................................................................................... 20
3.1. What is BLE ........................................................................................................................................................ 20
3.2. The difference between traditional Bluetooth and low-power Bluetooth ............................................................ 20
3.3. The working status of the device and the type of Bluetooth device ..................................................................... 21
3.4. Analysis of Bluetooth Broadcasting .................................................................................................................... 21
3.4.1. Preface ...................................................................................................................................................... 21
3.4.2. BLE Broadcast Data Structure .................................................................................................................. 21
3.4.3. Packet capture analysis ............................................................................................................................. 22
4. The Program Structure of Bluetooth in SDK .................................................................................................................. 24
5. Peripheral TIMER .......................................................................................................................................................... 25
5.1. Structure of TIMER ............................................................................................................................................. 26
5.2. Introduction of each register ................................................................................................................................ 28
5.3. Design of the program ......................................................................................................................................... 30
Revision History ................................................................................................................................................................. 30
About us .............................................................................................................................................................................. 30