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What touch controller is used on the STM32F439I Eval Board

Question asked by aiyer.kartik on Apr 8, 2014
Latest reply on Apr 11, 2014 by aiyer.kartik
We are trying to put an embedded device which can drive a 4.3" LCD with a capacitive touch overlay. Looking at the STM32F439 discovery platform, I see there is a 5.7" LCD with a capacitive touch overlay. We would like to use this platform and be able to swap in a 4.3" LCD. Eventually, we would like our production platform to be built based on this eval board and so I looked through the schematics and the BOM, however there is no mention of the touch controller used. I see references to a touch controller but no controller specifically. How is capacitive touch implemented on the STM32F439 discovery evaluation board. 

Thanks
Kartik

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