Samsung S3C6400X User Manual page 1134

S3C6400 RISC MICROPROCESSOR
ADC START DELAY REGISTER (ADCDLY)
Register Address
ADCDLY 0x7E00B008
ADCDLY Bit
FILCLKsrc [16]
DELAY [15:0]
Note: Before ADC conversion, Touch screen uses X-tal clock (3.68MHz).
During ADC conversion GCLK (Max. 50MHz) is used.
R/W
R/W ADC Start or Interval Delay Register
ADCDLY clock source.
0 = External input clock.
1 = RTC clock.
1) Normal Conversion Mode, XY Position Mode, Auto Position Mode.
→ ADC conversion start delay value.
2) Waiting for Interrupt Mode.
When Stylus Down occurs at STOP MODE, it generates Wake-Up
signal, having interval (several ms), for Exiting STOP MODE.
Note) Do not use Zero value(0x0000)
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 AND TOUCH SCREEN INTERFACE
Description
Description
Reset Value
0x00ff
Initial State
0
00ff
39-7