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SSI reading/writing EEPROM CAT25256 fail-LM3S3748

fan shen
Intellectual 310 points
Other Parts Discussed in Thread: LM3S3748

Hi,

We are using LM3S3748 SSI to access CAT25256.

The writing/reading operation of CAT25256 require nCS stay high from transmission of  writing command, high 8-bit address, low 8 bit address and 8 bit data. But SSI API of LM3S3748 make nCS (PA3/SSI0FSS) high before every byte writing and make it low after writing.

 

 

Thank you,

 

Fan