PA01PA12PA23PA34PA45PA56PA67PA78PC49PC510PC611PC712CLDO13VDD_114VSS_115nRST16PB917X32KIN/PB1018X32KOUT/PB1119RTCOUT/PB1220XTALIN/PB1321XTALOUT/PB1422PB1523PC024PA825PA9_BOOT26PA1027PA1128SWCLK/PA1229SWDIO/PA1330PA1431PA1532PB033PB134VDD_235VSS_236PB237PB338PB439PB540PC141PC242PC343PB644PB745PB846VDDA47VSSA48