Ebyte E22-400T33S, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co., Ltd. E22-400T33S User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
6
12 GND -
fixed orifice
13 GND -
fixed orifice
14 GND -
fixed orifice
18 PB0 Input/Output
NC pins for future development, no need to connect
19 PB1 Input/Output
NC pins for future development, no need to connect
20 PB3 Input/Output
NC pins for future development, no need to connect
21 +3.3V Input Power pin when loading program(floated, no need to connect)
22 SWIM Input SWIM pin when loading program(floated, no need to connect)
23 GND Input Ground pin when loading program(floated, no need to connect)
24 RESET Input Reset pin when loading program(floated, no need to connect)
4. Connect to MCU
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.