PYB1.1

Uart_6 ( Y1 , Y2 )

Uart_1 ( X9 , x10 )

Uart_4 ( X1 , X2 )

Uart_2 ( X3 , X4 )

Uart_3 ( Y9 , Y10 )

AD_X11

AD_X12

AD_Y11

AD_Y12