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CCS/UCD3138A64: How to use ucd3138A64 to communication with eeprom buy SPI on EVM board。

Part Number: UCD3138A64

Tool/software: Code Composer Studio


 I found an Eeprom AT45DB821E on this board , now i want to  use ucd3138A64 to communication with it buy SPI。i following    Programmer’s Manual to write spi program is no work。Have any ucd3138xx spi demo code or some detial Manual to introduce ucd3138xx spi function to download?