Preliminary
ADC AND TOUCH SCREEN INTERFACE
S3C2451X RISC MICROPROCESSOR
24-10
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 CHANNEL MUX REGISTER (ADCMUX)
Register Address
R/W
Description
Reset
Value
ADCMUX 0x5800018
R/W
Analog
input channel select
0x0
ADCMUX Bit
Description
Initial
State
ADCMUX
[3:0]
Analog input channel select.
0000 = AIN 0
0001 = AIN 1
0010 = AIN 2
0011 = AIN 3
0100 = AIN 4
0101 = AIN 5
0110 = AIN 6 (YM)
0111 = AIN 7 (YP)
1000 = AIN8 (XM)
1001 = AIN9 (XP)
0
NOTE
: When Touch Screen Pads(YM, YP, XM, XP) are disabled, these ports can be used as Analog input ports(AIN6,
AIN7, AIN8, AIN9) for ADC.