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MSP430FR6972: Power waveform test

miaomiao hong
Intellectual 270 points

Part Number: MSP430FR6972

Hello:

     FR6972 is applied to the water meter, power supply is lithium battery and  a diode. IO initialization enters low power model. VCC series a 100k resistor,then Test the voltage at both ends, Find the peak of the test waveform. What are these peaks？As shown in the picture.

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