Samsung YP-P10 User Manual Page 447

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ADC AND TOUCH SCREEN INTERFACE S3C2440A RISC MICROPROCESSOR
16-8
ADC CONVERSION DATA REGISTER (ADCDAT0)
Register Address R/W Description Reset Value
ADCDAT0 0x580000C R ADC conversion data register
ADCDAT0 Bit Description Initial State
UPDOWN [15] Up or Down state of stylus at waiting for interrupt mode.
0 = Stylus down state.
1 = Stylus up state.
AUTO_PST [14] Automatic sequencing conversion of X-position and
Y-Position
0 = Normal ADC conversion.
1 = Sequencing measurement of X-position, Y-position.
XY_PST [13:12] Manually measurement of X-position or Y-position.
00 = No operation mode
01 = X-position measurement
10 = Y-position measurement
11 = Waiting for Interrupt Mode
Reserved [11:10] Reserved
XPDATA
(Normal ADC)
[9:0] X-Position conversion data value (include normal ADC conversion
data value)
Data value: 0 ~ 3FF
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