The MKW40Z reset waveform is strange.

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The MKW40Z reset waveform is strange.

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minjaekim
Contributor I

Hi

I maked the board with MKW40Z

but, reset signal is strange

do you know what's matter? 

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gerardo_rodriguez
NXP Employee
NXP Employee

Hello Minjae,

On blank chips, this is the expected behavior  because the MCU keeps resetting as it is loading an invalid address to the stack pointer and program counter. Once flashed, the reset should stop oscillating. 

Regards,

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