MSP430FR2522: MSP430FR2522 Celectrode Cgroud

Derek Zhong

Part Number: MSP430FR2522

Dear Ti,

I use MSP430FR2522 in the new desgin as the model below:

Model of self mode capacitive touch powered with a battery

So Could you check the value of Cground or explain the meaning to me? Thank you.

0 Dennis Lehman over 5 years ago

Hello Derek,

Cground is the coupling between the floating circuit (MCU, electrode, battery, other components) and earth ground.

Here is a guide that describes this in more detail.

Here is an interesting article that might help explain also.

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