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[C6742] Initialization sequence

Kaka
Guru 24520 points

Hi TI Experts,

Please let me confirm the following question.

[Question]
Is there any specific initialization sequence on C6742 device?

My customer said that if the init sequence of McBSP or GPIO settings is first at the C6742 init sequence, the C6742 did not run even though the power supply for C6742 was good. If that sequence of MaBSP is last at the C6742 init sequence, the C6742 run. So, my customer would like to know whether there is the specific sequence for C6742 device.

Also the similar discussion as below post but it  seems that it is the different problem. So, I make other post.

 

If you have any questions , please let me know.
Best regards.
Kaka

  • 0
    TI__Guru* 85835 points

    Hi Kaka-san

    There is no specific initialization sequence for enabling the chip. 

    The information here is very vague to be able to understand what is really happening  in terms of overall chip initialization sequence vs where McBSP and GPIO are initialized vs McBSP being initialized last (last with respect to what?) 

    It may be better to share the exact code snippets or pseudo code / initialization sequence to help address the problem better. 

    Overall the whatever initialization sequence is outlined in boot loader docs, gel files , to enable the device and on device peripherals is the valid sequence. 

    It will also be good to understand what run vs no run means - is the chip hanging or just McBSP is not working?

    Regards

    Mukul 

  • 0 in reply to Mukul Bhatnagar
    Guru 24520 points
    Hi Mukul-san,

    Thank you for your response. I will get their code for init sequence.
    Also I will explain about "run" vs "not run" after get more customer situation.

    Best regards.
    Kaka
  • 0 in reply to Kaka
    Guru 24520 points
    Hi Mukul-san,

    I got feedback from my customer.
    "not run " means that device was hung.

    If I get init code from them, I will report to you.
    Best regards.
    Kaka