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Original question:

PROCESSOR-SDK-AM65X: The SW7 warm reset button does not reset the IDK EVM and causes the system to hang

PROCESSOR-SDK-AM65X: Warm reset issue on IDK

Christyan Brown
Prodigy 125 points

Part Number: PROCESSOR-SDK-AM65X

Hello,

The SW7 warm reset button does not reset the IDK EVM and causes the system to hang.

Related to the question posted here: https://e2e.ti.com/support/processors/f/791/t/795134?tisearch=e2e-sitesearch&keymatch=PROCESSOR-SDK-K2H It does not appear that a follow up was ever posted on that. Is there any update on this issue? We are looking into changes that need to be made to support booting from eMMC and from MMC/SD (as well as other modes, but primarily those 2).

Thank you,

Christyan Brown

  • 0
    TI__Mastermind 42545 points

    Hi Christyan,

    This will be addressed in the next revision of the EVM. The eMMC reset GPIO will be ANDed with the RESETSTATz so that the eMMC memory will be reset by both a PORz and a warm reset. A power switch has been added that will remove the power from the SDcard when a reset signal is applied. This should solve the system hang issue. The new schematics should be posted within the next few months. 

    Regards, Bill