通信接口

STM32F103C8T6

其他模块

I²C1

PB6 SCL

PB7 ADA

SCL

SDA

I²C2

PA5 SCL

PA6 SDA

SCL

SDA

UART1

PA9 UART1_TX

PA10 UART1_RX

IO11 UART_RX

IO12 UART_TX

UART2

PA2 UART2_TX

PA3 UART2_RX

IO10 UART_RX

IO11 UART_TX

UART3

PB0 UART3_TX

PB1 UARTR_RX

IO3 UART_RX

IO4 UART_TX