VSS33PB832PF11_BOOT031PB730PB629PB528PB427PB326PA1525PA1424PA1323PA1222PA1121PA1020PA919PA818VDDIO217PB216PB115PB014PA713PA612PA511PA410PA39PA28PA17PA06VDDA5NRST4PF1/OSC_OUT3PF0/OSC_IN2VDD1