Samsung S3C2451X User Manual page 44

PRODUCT OVERVIEW
Register Name
ATA_STATUS
ATA_COMMAND
ATA_SWRST
ATA_IRQ
ATA_IRQ_MASK
ATA_CFG
ATA_PIO_TIME
ATA_UDMA_TIME
ATA_XFR_NUM
ATA_XFR_CNT
ATA_TBUF_START
ATA_TBUF_SIZE
ATA_SBUF_
START
ATA_SBUF_SIZE
ATA_SBUF_
START
ATA_SBUF_SIZE
ATA_CADR_TBUF
ATA_CADR_SBUF
ATA_PIO_DTR
ATA_PIO_FED
ATA_PIO_SCR
ATA_PIO_LLR
ATA_PIO_LMR
ATA_PIO_LHR
ATA_PIO_DVR
ATA_PIO_CSD
ATA_PIO_DAD
ATA_PIO_READY
ATA_PIO_RDATA
BUS_FIFO_
STATUS
ATA_FIFO_
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
1-40
Specifications and information herein are subject to change without notice.
Address Reset Value
0x4B801904 0x00000000
0x4B801908 0x00000000
0x4B80190C 0x00000000
0x4B801910 0x00000000
0x4B801914 0x0000001F
0x4B801918 0x00000000
0x4B80192C 0x0001C238
0x4B801930 0x00000000
0x4B801934 0x00000000
0x4B801938 0x00000000
0x4B80193C 0x00000000
0x4B801940 0x00000000
0x4B801944
0x00000000
0x4B801948 0x00000000
0x4B801944
0x00000000
0x4B801948 0x00000000
0x4B80194C
0x00000000
0x4B801950
0x00000000
0x4B801954 0x00000000
0x4B801958
0x00000000
0x4B80195C 0x00000000
0x4B801960 0x00000000
0x4B801964 0x00000000
0x4B801968 0x00000000
0x4B80196C 0x00000000
0x4B801970
0x00000000
0x4B801974
0x00000000
0x4B801978
0x4B80197C
0x00000000
0x4B801990
0x00000000
0x4B801994 0x00000000
S3C2451X RISC MICROPROCESSOR
Acc. Read/
Unit Write
ATA configuration for ATA interface
ATA current transfer count
ATA start address of track buffer
ATA start address of source buffer
ATA start address of source buffer
ATA current write address of track
ATA current read address of source
ATA PIO device data register
ATA PIO device Feature/Error
ATA PIO sector count register
ATA PIO device LBA low register
ATA PIO device LBA middle register
ATA PIO device LBA high register
ATA PIO device command/status
ATA PIO device control/alternate
ATA PIO read data from device data
ATA internal AHB FIFO status
ATA internal ATA FIFO status
Function
ATA status
ATA command
ATA software reset
ATA interrupt sources
ATA interrut mask
ATA PIO timing
ATA UDMA timing
ATA transfer number
ATA size of track buffer
ATA size of source buffer
ATA size of source buffer
buffer
buffer
register
ATA PIO device register
register
status register
register