PA2/COM21PA3/COM32PA4/COM43PA5/PRST#4GND5PB0/INT16PB1/COM1A7PB2/COM2A8PB39PB410PB5/COM3A11PB6/COM4A12PB713VDD14PA6/XOUT15PA7/XIN16PA0/INT017PA1/COM118