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Behavior of XRSpin about F28M35H52C

kyogo
Prodigy 180 points


Hello dear,

When software is not written,  it happens to fall to 25usecLow XRS pin every 1msec after the power is turned on in the state.
Could you tell me hitting on any flow of any startup this.
We think that WDT should not be in such an operation if Disable by default.

Best regards,

Kyogo

  • 0
    TI__Guru** 115591 points

    Hi,

    If Flash is not programmed and device BOOT-PINS are set to boot from Flash, device will go through RESET cycle becasue invalid instructions get fetched. It's done by BOOTROM code using WD. BOOTROM code enable the WD in this case.

    Please set BOOT-PINS to any mode other than BOOT to Flash to avoid this.

    Regards,

    Vivek Singh