Does A2B Require Boot From External SPI Flash?

Hello

Due To We Don't Want To Use The DSP We Bought 2 ADZS2428MINI Boards And Was Planning To Set Either Of Board For Master. But We Find The I2C Is Not Alive. Looks Like The A2B Need To Be Booted By Extermal SPI Flash / Master. But It's Still Strange Becasue From The Block Diagram In Datasheet We Don't See SPI Supported By AD2428W. And The Dedicated I2C Is Designed For Linking With Host Controller. So What Should We Have To Do Is To Wire Out The I2C To Connect With Our External Controller EVK. Whatever We Tried The I2C Just Doesn't Work.

Bright 

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