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Forum Post: MSP432P401R: external HFXT bypass mode oscillator voltage can not be recognited

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Part Number: MSP432P401R hi i am using MSP432 with the supply voltage is 2.2V. and my external active crystal output square wave with which the VPP voltage is 1.1v, From data sheet,we can see the digital IO's threshold voltage is 0.99v with 2.2V supply voltage. so i want to know the crystal pin threshold voltage is 0.99v too?

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