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MSP430FR2633: Custom Board with CAP I/Os review , Flickering of CAP I/Os because of invalid touches

Part Number: MSP430FR2633

Hello,

We have been working on MSP430Fr2633 cap micro controllers and we have designed our custom boards with variants of 2 buttons,4 buttons and slider touch boards .

ISSUE:

The Custom boards designed by us are working fine that is when we touch the cap IO its taking valid touch and we are making a LED high and Low.But after some time randomly we have been seeing an issue related to flickering(False touch) of the CAP I/OS without any valid touches making LEDs go High and LOW by itself.

Our custom board touch needs to work on an 4-6mm Acrylic material.so we set the conversion gain and count according to it.

Can you review our design and give us some suggestions on why we are getting this issue?

Regards

Sanath

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