I/OUC1PORADJ2CMDVCCN3VDD(INTF)4CLKDIV15CLKDIV26EN_5V/3VN7EN_1.8VN8RSTN9OFFN10GND11XTAL112XTAL213VREG14SAM15GNDP16SBM17VDDP18SBP19SAP20VUP21VCC22RST23CLK24GNDC25AUX126AUX227I/O28CS29PRESN30AUX1UC31AUX2UC32EP33