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Original question:

AM623: SK-AM62B-P1: SPI signal issue

AM623: How can I change the delay of SPI CS

Daniel Cheng1
Mastermind 7085 points
Part Number: AM623

Tool/software:

Hi Expert,

As shown in the figure below,

We use SPI0 to test, but the CS signal becomes very long. We expect that CS will only appear when CLK and data are output.
How can I change the delay of CS (the red line in the picture)?

Thanks

Daniel

  • 0
    TI__Mastermind 45126 points
    1. Is this based on Linux SDK or MCU PLUS SDK.
    2. I am assuming you want to reduce the delay, for this, I want to know in which mode you are operating. Please see the 3 possible modes from the response here: Mode selection
    3. If it is Single Controller then CS is controlled via SW code, if it is Multi Controller then CS is controlled by the HW, and if it is Slave, then the CS is controller by the external Controller.

    Looking forward to your response.