Chengdu Ebyte Electronic Technology Co., Ltd.
E220-900T30S User Manual
Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co., Ltd.
1
Contents
3. Size and Pin Definition.......................................................................................................................................................6
4. Connect to MCU.................................................................................................................................................................7
5. Function Description...........................................................................................................................................................8
5.1 Fixed Transmission...................................................................................................................................................8
5.2 Broadcasting Transmission.......................................................................................................................................9
5.3 Broadcasting address................................................................................................................................................ 9
5.4 Monitor address........................................................................................................................................................ 9
5.5 Reset..........................................................................................................................................................................9
5.6 AUX description.......................................................................................................................................................9
5.6.1 Indication of UART output..........................................................................................................................10
To wake up the external MCU..............................................................................................................................10
5.6.2 Indication of wireless transmitting.............................................................................................................. 10
5.6.3 Configuration procedure of module.............................................................................................................10
5.6.4 Notes for AUX.............................................................................................................................................11
6.1 Mode Switching......................................................................................................................................................11
6.2 Normal mode
6.3 WOR sending mode (Mode 1)................................................................................................................................12
6.4 WOR receiving mode (Mode 2)............................................................................................................................. 13
6.5 6.5 Deep Sleep Mode (Mode 3)..............................................................................................................................13
7.1 Command Format................................................................................................................................................... 13
7.2 Register Description............................................................................................................................................... 14
7.3 Factory Default Parameter......................................................................................................................................16
8. Configuration Instruction on Computer............................................................................................................................17
9. Hardware Design.............................................................................................................................................................. 18
10. FAQ................................................................................................................................................................................ 19
12. Related Models............................................................................................................................................................... 21
13. Antenna Recommendation..............................................................................................................................................21
14. Package for Bulk Order.................................................................................................................................................. 22