We bought a evaluation board(EVAL ADAU144XEBZ REV C). We had some issue on selfboot function. Please help to find what's wrong with our action.
STEP 1: We build a project in SigmaStudio as the User Guide told.
STEP 2: Connect hardware well, and click "Link Compile Download " button to download the program to ADAU144X IC.
Then the audio play well.
STEP: 3: Programming the self-boot EEPROM as the User Guide told.
STEP:4: Put off the USB connect with PC, then push the Reset button, but there's no audio coming out.
What's wrong with my action and configuration? please help to find out.
The hardware setting please see below: