PA00/XIN321PA01/XOUT322PA023PA034PA045PA056PA067PA078VDDANA9GNDANA10PA0811PA0912PA1013PA1114PA14/XOSC15PA15/XOUT16PA1617PA1718PA1819PA1920PA2221PA2322PA2423PA2524PA2725RESET#26VDDCORE27GND28VDDOUT29VDDIO30PA30/SWCLK31PA31/SWDIO32EP33