CLKOUT1NXT2DATA03DATA14DATA25DATA36DATA47REFSEL08DATA59DATA610REFSEL111N/C12DATA713REFSEL214SPK_L15SPK_R16CPEN17DP18DM19VDD3320VBAT21VBUS22ID23RBIAS24XO25REFCLK26RESETB27VDD1828STP29VDD1830DIR31VDDIO32EXP33