Technical Manual

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7
.
引脚功能描述Pin function description::
8.1 IO引脚功能
Pin function
Pin number
Pin name
Remark
1
PB1
GND
2
PB2
串口数据输入 RX/可定制IO
Serial port data input RX/ Customizable
IO
3
PB3
串口数据输出 TX/可定制IO
Serial port data input TX/ Customizable IO
4
PB4
可定制IO口 默认为复位IO 低电平有
Customizable IO port By default, the IO
low level is enabled
5
PB5
Vcc V3.3
6
A
B
C
D
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