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iMX6Q :  How to use the /WDOG1 signal before the uboot is booting

Question asked by koichi sakagami on Mar 14, 2016
Latest reply on Mar 14, 2016 by Yuri Muhin

Dear community,
We have been developing our product with iMX6Q.

 

In figure 8-2 USB Boot Flow of IMX6DQRM Rev. 3,
it said ARM core will reset if no any activity within 90 seconds when WDOG_ENABLE=1.

 

[Question]
    Then, is the /WDOG1 signal  outputed to iMX6 I/O pin ?
    (DISP0_DAT8 pad or GPIO_9 pad or SD1_DATA2 pad)

  

    I  want to use the /WDOG1 signal for being detected external device .

 

Best Regards,
    Koichi Sakagami

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