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Forum Post: RE: tsc2048 PENIRQ keep low issue

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Hi Andy I touch the screen, move my finger on the screen, and see the coordinate value report on the terminal don't change much, even when I move my finger from the left to the right on the screen. in the ads7846 .c, I see that we use 12bit conversion select bit, does this have any impact? Because the data on our SPI bus is 8 bit .

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