GPIO41GPIO52GPIO63GPIO74GPIO85GPIO96GPIO107GPIO118GPIO129GPIO1410VDDIO11VDD_DIG12GPIO1513GP101814GP101915GPI02016GPIO2117GPI02218GPIO2319VDDIO20EXT_CLK_SEL21BOOTSEL022BOOTSEL123TESTMODE_EN24PAD_BLELDO25PAD_IOLDO26PAD_PPG_LED_D27PAD_PPG_LED_C28PAD_PPG_LED_B29PAD_PPG_LED_A30PAD_TX_POWER31PAD_AVSS32PAD_VBATA33PAD_PPGLDO34PAD_PPG_RX_CAD35PAD_PPG_RX_AND36PAD_OSCOUT37PAD_OSCIN38PAD_CRY32K_IN39PAD_CRY32K_OUT40PAD_PGAP41PAD_PGAN42PAD_ECGIP43PAD_ECGIN44PAD_REFP_EX45PAD_REFN_EX46PAD_RLD_INV47PAD_RLD_OUT48PAD_AVSS49PAD_VBATA50PAD_ECGLDO51PAD_BG1252PAD_BG12BUF53PAD_LDO1554PAD_DCDC1555PAD_AVSS56PAD_DCDC_IND57PAD_VBATA58PAD_DVDD59RESETN60JTAG_TDI61JTAG_TMS62JTAG_TDO63JTAG-TCK64GPIOO65GPIO166GPIO267GPIO368DVSS69