GND21GND20VDDA19DIFF_1b18DIFF_117OE_1b16VDD_IO15OE_0b14DIFF_0b13DIFF_012GND11VDD10GND9SS_EN8SCLK7SDA6VSSR5VDDX4XOUT3XIN/CLKIN2PWRGD/PWRDNb1