• State
  • Locked Locked
  • Replies 2 replies
  • Subscribers 84 subscribers
  • Views 43 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TMS320F28379S: EMIF: Chip select logic low around 0.8V

stevenh
Guru 20025 points
Part Number: TMS320F28379S

Tool/software:

Hello,

Does anyone know what would cause 0.8V logic low Chip select.  Please see below image.

Thanks,
Stephen

  • 0
    TI__Mastermind 18450 points

    Hello,

    This expert is currently out of office due to holiday. Please expect a delay in response until after 12/4. Thanks for you patience.

    Best Regards,

    Allison

  • 0 in reply to Allison Nguyen
    Guru 20025 points

    Ok.  Also, I don't see the offset anymore.  

    Our design has two CPU, which I will name CPU1 and CPU2.  DPRAM is used to transfer data between CPU1 and CPU2.  There is also two 16 bit SRAM chips that will store 32-bit data. I am getting the following results.  Why would data written to DPRAM initially be read back correctly? 



    Update: The offset was caused by a bad probe.