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TMS320F28379D: Using EMIF with ADS8548

Guru 20025 points
Part Number: TMS320F28379D
Other Parts Discussed in Thread: ADS8548

Hello,

I was thinking about interfacing the TM320F28379D's EMIF  with the ADS8548.  However, I think there would be an issue meeting the tHDO and tDTRI requirement  because the Data changes to Invalid at the begining of the EMIF's hold period (Please see images below).

Am I correct?  Are there any other issues I should be concerned about?


  • Hello,

    I was thinking about interfacing the TM320F28379D's EMIF  with the ADS8548.  However, I think there would be an issue meeting the tHDO and tDTRI requirement  because the Data changes to Invalid at the begining of the EMIF's hold period (Please see images below).

    I believe it should be possible to interface the EMIF with this external ADC, it looks like the RD/CS signals operate the same and the data is valid during the time which would be designated as STROBE (unless I'm misunderstanding the terms/timing of the ADS8548). I will double-check this with another expert and get back to you.

    Best regards,

    Omer Amir

  • Based on some review with another expert, this looks to be correct.