Samsung S3C2451X User Manual page 206

CF CONTROLLER
ATA_PIO_CSD REGISTER
Register
ATA_PIO_CSD 0x4B801970
ATA_PIO_CSD Bits
Reserved [31:8]
pio_dev_csd [7:0]
NOTE: pio_dev_csd can be read by accessing register ATA_PIO_RDATA
ATA_PIO_DAD REGISTER
Register
ATA_PIO_DAD 0x4B801974
ATA_PIO_DAD Bits
Reserved [31:8]
pio_dev_dad [7:0]
NOTE: pio_dev_dad can be read by accessing register ATA_PIO_RDATA
ATA_PIO_RDATA REGISTER
Register
ATA_PIO_ 0x4B80197C
RDATA
ATA_PIO_ Bits
RDATA
Reserved [31:16]
pio_rdata [15:0]
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
8-28
Specifications and information herein are subject to change without notice.
Address R/W
W 8-bit PIO device command/status register
Reserved bits
8-bit PIO device command/status (command block)
register
Address R/W
W 8-bit PIO device control/alternate status register
Reserved bits
8-bit PIO device control/alternate status (control block)
register
Address R/W
R PIO read data register
Reserved bits
PIO read data register while HOST read from ATA device
register
Description
Description
Description
Description
Description
Description
S3C2451X RISC MICROPROCESSOR
Reset Value
0x0000_0000
R/W Reset Value
R
W
Reset Value
0x0000_0000
R/W Reset Value
R
W
Reset Value
0x0000_0000
R/W Reset Value
R
R
0x0
0x00
0x0
0x00
0x0
0x0000