MKV30F64 reset_b pin was not inputting? Was a signal watch-dog output?

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MKV30F64 reset_b pin was not inputting? Was a signal watch-dog output?

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yong-seokjo
Contributor I

MKV30F64 reset_b pin was not inputting?  Was a signal watch-dog output?

Sample board made with MKV30F64VLH10 device.
  A pulse signal at an interval of 1.4 ms is output from the reset-b terminal.
It is repeatedly RESET or STOP.
Is the watch-dog out function active?
Is there a solution?

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xiangjun_rong
NXP TechSupport
NXP TechSupport

Hi, Yong,

The Reset_b signal pad is an input/output pin, specifically, the Reset_b pin is an open drain pin with inetrnal ull-up resistor. The reset_b pin is an input pin, so you can input the reset signal to the reset_b pin, because it is output pin, so the internal circuit can drive the pin also. The Open drian feature enable multiple source drive the same pin.

Hope it can help you

BR

xiangjun rong

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