About the problem of analog input of GPIO port of MC33771

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About the problem of analog input of GPIO port of MC33771

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FPX-DFD-2019
Contributor I

Battery Management System MC33771,

Manual description about GPIO:With the exception of the GPIO0, no external voltage must be applied on
GPIOx pins when the device is off or in SLEEP mode.

When 33771 sleeps or shuts down, apply a voltage (0~3V) to GPIO1, GPIO2, and GPIO3 respectively. Is there any damage to the chip?

 

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guoweisun
NXP TechSupport
NXP TechSupport

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