NC1AGND2RESPDAC_RA3EXT_RESP_RA4EXT_RESP_LL5EXT_RESP_LA6REFGND7REFOUT8REFIN9ECG1_LA10ECG2_LL11ECG3_RA12ECG4_V113ECG5_V214AGND15NC16NC17AVDD18CM_IN19RLD_OUT20RLD_SJ21CM_OUT/WCT22AVDD23AGND24AGND25ADCVDD26XTAL127XTAL228CLK_IO29DVDD30DGND31NC32NC33DGND34IOVDD35GPIO0/MCS#36GPIO1/MSCLK37GPIO2/MSDO38GPIO339DGND40CS#41DRDY#42SDI43SCLK44SDO45IOVDD46DGND47NC48NC49DGND50DVDD51SYNC_GANG52PD#53RESET#54ADCVDD55AGND56AGND57AVDD58VREG_EN59SHIELD/RESPDAC_LA60CAL_DAC_IO61RESPDAC_LL62AVDD63NC64