How to disable reset pin output from MK24FN1M0VLQ12

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How to disable reset pin output from MK24FN1M0VLQ12

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yuanli
NXP Employee
NXP Employee

Hi,

Customer found recently that the RESET# pin from MK24 can have output when the chip is being reset by internal watchdog.

Can this output be disabled? Please help advise, thanks.


Best regards,

Ryan

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Jorge_Gonzalez
NXP Employee
NXP Employee

Hello Yuan Li:

Unfortunately in Kinetis K parts such as K24 it is not possible to isolate the reset pin from the internal reset caused by the watchdog.

For Kinetis L MCUs, there is a bit in the flash configuration space that allows disabling the Reset_b pin (search for FTFA_FOPT[RESET_PIN_CFG])


Regards!,
Jorge Gonzalez

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1,608 次查看
Jorge_Gonzalez
NXP Employee
NXP Employee

Hello Yuan Li:

Unfortunately in Kinetis K parts such as K24 it is not possible to isolate the reset pin from the internal reset caused by the watchdog.

For Kinetis L MCUs, there is a bit in the flash configuration space that allows disabling the Reset_b pin (search for FTFA_FOPT[RESET_PIN_CFG])


Regards!,
Jorge Gonzalez

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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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yuanli
NXP Employee
NXP Employee

Hi Jorge,

Thanks for your confirmation.

Best regards,

Ryan

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