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DRV5825P: Can you provide information on book pages and registers related to AGL?

Downey Kim
Expert 2675 points
Part Number: DRV5825P
Other Parts Discussed in Thread: TAS3251

Hi TI experts,

Is there a DSP memory map of DRV5825P as below document?

TAS3251 process flows

https://www.ti.com/lit/an/slaa799a/slaa799a.pdf

Please check it.

Thanks,

Downey Kim.

  • 0
    TI__Expert 5260 points

    Hi Downey,

    For now we don't have such documents for DRV5825P.  My suggestion is you can refer to TAS5825 process flow document. 

    Best,

    Frank

  • 0
    Expert 2675 points

    Hi Frank,

    Thank you for your support. 

    There is no register information for Smart Piezo Drive in the TAS5825 process flow document.

    We would like to know the register of Smart Piezo Drive.

    The piezo driver function is not working in PPC3. So we have to check that the register of piezo driver is being used.

    Thanks,

    Downey Kim.

  • 0
    TI__Genius 9995 points

    Hi Kim,

    Do you know the I2c log function? 

    But we are working on this register map, and will release after it is done.

    Before that, may you have specific issue?

    BR,

    Alix Wan

  • 0 in reply to Alix Wan
    Expert 2675 points

    Hi Alix,

    I know I2C Log function. 

    Current problems and symptoms are as follows.

    Not applicable when piezo driver and AGL function are applied to EVM in PPC3.

    Applicable when piezo driver and AGL function are applied to EVM with Matlab GUI version.

    What is the problem in PPC3?

    Thanks,

    Downey Kim.

  • 0 in reply to Downey Kim
    TI__Genius 9995 points

    Hi Kim，

    Can you make sure your I2S clocks are ready when you do the i2c configuration to device? If so, it should work.

    You said that:

     Not applicable when piezo driver and AGL function are applied to EVM in PPC3.

    Can you share which EVM board are you using with PPC3? thanks.

    BR,

    Alix Wan