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PRELIMINARY
ADC AND TOUCH SCREEN INTERFACE
S3C6400 MICROPROCESSOR
39-8
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
ADC CONVERSION DATA REGISTER (ADCDAT0)
Register
Address
R/W
Description
Reset Value
ADCDAT0 0x7E00B00C 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]
Manual 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
(Includes Normal ADC Conversion data value)
Data value : 0x0 ~ 0x3FF
-