CH21CH32MUXOUT+3ADCIN+4ADCIN–5MUXOUT–6CH47CH58CH69CH710GND11REFBUF12REFIN13GND14GND15CNV16GND17RDL18BUSY19SDI20SCK21SDO22GND23RESET24OVDD25GND26GND27VDDLBYP28VDD29COM30CH031CH132EP33