SDO/M51SCLK/SCL2VDDIOA3SDIO/SDA4CSB/M65VDD6LDO07LF08VDD9VDD10OUT0AP11OUT0AN12VDD13OUT0BP14OUT0BN15DNC16OUT0CP17OUT0CN18VDD19VDD20DNC21OUT1BP22OUT1BN23VDD24OUT1AP25OUT1AN26VDD27VDD28LF129LDO130VDD31M032M133VDDIOB34M235M336M437REFB38REFBB39VDD40VDD41XOA42XOB43DNC44VDD45REFAA46REFA47RESETB48EP49