PB91PC14-OSCX_IN2PC15-OSCX_OUT3VDD/VDDA4VSS/VSSA5PF2-NRST6PA07PA18PA29PA310PA411PA512PA613PA714PB015PB116PB217PA818PA919VDDIO220PA1021PA11[PA9]22PA12[PA10]23PA1324PA14-BOOT025PA1526PB327PB428PB529PB630PB731PB832