Ebyte E22-400T30S - 5. Function description; 5.1 Fixed transmission; 5.2 Broadcasting transmission

Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T30S User manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
9
No.
Description（STM8L MCU）
1
The UART module is TTL level.
2
For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.
5 Function description
5.1 Fixed transmission
5.2 Broadcasting transmission