This is an extension module for iCE40HX1K-EVB or iCE40HX8K-EVB. It is meant to add fast Analog-Digital-Converter (ADC) functionality to the main board. You can effectively use up to 4 x iCE40-ADC with the same main EVB board (or up to 2 x iCE40-ADC when you have iCE40-IO connected to the same bus).
ADC08100 8-bit 100Mhz ADC
Up to 4 ADC modules can be stack together with iCE40HX1K-EVB or iCE40HX8K-EVB