VSUP1VCC2nRST3WDT/CLK4nWDR/SDO5WDI/SDI6PIN/nCS7EN/nINT8HSSC/FSO9PV10DIV_ON11TXD12RXD13GND14LIN15WKRQ/INH16WAKE17HSS18LIMP19VBAT20EP21