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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
CF CONTROLLER
9-33
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.
ATA_PIO_CSD
Register
Address
Description
Reset Value
ATA_PIO_CSD
0x70301970
ATA PIO device command/status register
0x0000_0000
ATA_PIO_CSD
Bits
Description
R/W
Reset Value
Reserved [31:8]
Reserved
bits
R
0x0
PIO_DEV_CSD
[7:0]
8-bit PIO device command/status (command
block) register
W 0x00
* Note:
PIO_DEV_CSD can be read by accessing register ATA_PIO_RDATA.
ATA_PIO_DAD
Register
Address
Description
Reset Value
ATA_PIO_DAD
0x70301974
ATA PIO device control/alternate status register
0x0000_0000
ATA_PIO_DAD
Bits
Description
R/W
Reset Value
Reserved [31:8]
Reserved bits
R
0x0
PIO_DEV_DAD
[7:0]
8-bit PIO device control/alternate status (control
block) register
W 0x00
* Note:
PIO_DEV_DAD can be read by accessing register ATA_PIO_RDATA.
ATA_PIO_RDATA
Register
Address
Description
Reset Value
ATA_PIO_RDATA
0x7030197C
ATA PIO read data from device data register
0x0000_0000
ATA_PIO_RDATA
Bits
Description
R/W
Reset Value
Reserved [31:16]
Reserved bits
R
0x0
PIO_RDATA
[15:0]
PIO read data register while HOST read from ATA
device register
R 0x0000