VBAT1PC132PC143PC154PD0-OSC_IN5PD1-OSC_OUT6NRST7VSSA-VREF-8VDDA-VREF+9PA010PA111PA212PA313PA414PA515PA616PA717PB018PB119PB220PB1021PB1122VSS23VDD24PB1225PB1326PB1427PB1528PA829PA930PA1031PA11-USBDM32PA12-USBDP33PA1334VSS35VDD36PA1437PA1538PB339PB440PB541PB642PB743BOOT044PB845PB946VSS47VDD48