PE21PE42PE53VDD4VBAT5PC136PC14-OSC32_IN7PC15-OSC32_OUT8VSSSMPS9VLXSMPS10VDDSMPS11VFBSMPS12PH0-OSC_IN13PH1-OSC_OUT14NRST15PC016PC117PC2_C18PC3_C19VDD20VSS21VSSA22VREF+23VDDA24PA025PA126PA227PA328VSS29VDD30PA431PA532PA633PA734PC435PC536PB037PB138PB239PE740PE841PB1042PB1143VCAP44VSS45VDDLDO46VDD47PB1248PB1349PB1450PB1551PD852PD953PD1054PD1155PD1256PD1357VSS58VDD59PD1460PD1561PC662PC763PC864PC965PA866PA967PA1068PA1169PA1270PA1371VCAP72VSS73VDDLDO74VDD75VDD33USB76PA1477PA1578PC1079PC1180PC1281PD082PD183PD284PD385PD486PD587VDD88PB389PB490PB591PB692PB793BOOT094PB895PB996VCAP97VSS98VDDLDO99VDD100