VDD1PF0-OSC_IN2PF1-OSC_OUT3PG10-NRST4PA05PA16PA27PA38PA49PA510PA611PA712PBO13VSSA14VDDA15VSS16VDD17PA818PA919PA1020PA1121PA1222PA1323PA1424PA1525PB326PB427PB528PB629PB730PB8-BOOT031VSS32