DDC2256AEVM: How to provide inputs to the 256 channels

Tool/software:

Hi TI

1. How are we suppose to provide inputs to the DDC2256A EVM (256) channels
2. DDC2256A is a 256 channel ADC chip and DDC2256A EVM is having 2 DDC2256A ICs. Does it means for the EVM, we can have 256 x 2 inputs in total

Regards

Aneesh