PB7/PB81PB9/PC14-OSC32_IN2PC15-OSC32_OUT3VDDA/DDA4VSSA/SSA5NRST6PA07PA18PA29PA310PA411PA512PA613PA714PB0/PB1/PB2/PA815PA11[PA9]16PA12[PA10]17PA1318PA15/PA14-BOOT019PB3/PB4/PB5/PB620