Samsung S3C2451X User Manual page 189

S3C2451X RISC MICROPROCESSOR
INDIVIDUAL REGISTER DESCRIPTIONS
MUX_REG REGISTER
Register
MUX_REG 0x4B801800
MUX_REG Bit
Reserved [31:3]
OUTPUT_EN [2]
CARDPWR_EN [1]
IDE_MODE [0]
Address R/W
R/W MUX_REG is used to set the internal mode, output
port enable & card power enable.
Reserved bits
Output port enable
0 : output port enable
Card power supply enable
0 : card power on
Internal operation mode select
0 : PC card mode
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.
Description
Description
1 : output port disable
1 : card power off
1 : True-IDE mode
CF CONTROLLER
Reset Value
0x0000_0006
R/W Reset Value
R 0x0
R/W 0x1
R/W 0x1
R/W 0x0
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