PA31/SWDIO1PA00/XIN322PA01/XOUT323PA024PA035PA046PA057VDDANA8GNDANA9PA0810PA14/XOSC11PA15/XOUT12PA1613PA1714PA1815PA1916PA2217PA2318RESET#19VDDCORE20GND21VDDOUT22VDDIO23PA30/SWCLK24EP25