PA31/SWDIO32PA30/SWCLK31VDDIO30VDDOUT29GND28VDDCORE27RESET#26PA2725PA2524PA2423PA2322PA2221PA1920PA1819PA1718PA1617PA15/XOUT16PA14/XOSC15PA1114PA1013PA0912PA0811GNDANA10VDDANA9PA078PA067PA056PA045PA034PA023PA01/XOUT322PA00/XIN321