EP25VDD24RSVD_GND23CLK022CLK0B21VDDO020OEB19CLK118CLK1B17VDDO116VDDO215CLK214CLK2B13GND12VDDO311CLK310CLK3B9INTR8VDD7FDBKB6FDBK5FDBKSE4REFCLKSE3XTAL/CLKINB2XTAL/CLKIN1