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Forum Index : Microcontroller and PC projects : CS pin on LCD panel

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Henk
Newbie

Joined: 06/10/2015
Location: Netherlands
Posts: 20

Posted: 06:51am 07 Nov 2016

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I am building a prototype circuit with the 28 pin micromite and and a 2.4 inch LCD panel with touch control. I am working with it for a few months now and the lcd panel and touch controller work fine without any problems. But now that I am at the point of documenting all connections for a defenitive design I noticed I have still connected the CS pin to ground. I did this because at the start I was not using the touch controls and the manual tells that you should connect it to GND in that case.

Now I am reading the manual again I noticed that if you use the LCDpanel AND the touch control you should give CS its own micromite PIN and configue it. I just forgot this when adding touch at a later stage and because all works well I had no reason to do so

Now my question, is it really necesarry to connect the CS pint to a micromite pin and configure it if you also use the touch facility? What could go wrong? I ask this because I used up all my micromite pins and an extra pin would be a problem. Maybe another type of LCDpanel will have problems with this?

Hope someone have an answer. Thanks.

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