Adc&Touch Screen Interface - Samsung S5PV210 Hardware Design Manual

S5PV210_HARDWARE DESING GUIDE REV 1.0
29. ADC&TOUCH SCREEN INTERFACE
The 10/12bit CMOS ADC is a recycling type device with 10-channel analog inputs. It's maximum conversion rate of
1Msps with 5MHz A/D converter clock. Touch screen interface can control/select pads (XP,XM,YP,YM) of the touch
screen for X,Y position. In S5PV210, There are available two Touch screen interface. A mapped with touch signal
like bellows.
-AIN[9] = XP1,
-AIN[8] = XM1
-AIN[7] = YP1,
-AIN[6] = YM1,
-AIN[5] = XP0,
-AIN[4] = XM0
-AIN[3] = YP0,
-AIN[2] = YM0,
Note) When Touch Screen device is not used, XM, XP, YM or YP can be connected to Analog Input Signal for
Normal ADC conversion .
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