Samsung S3C6400X User Manual page 221

CF CONTROLLER
BUS_FIFO_STATUS
Register
BUS_FIFO_STATUS
BUS_FIFO_STATUS
Reserved
BUS_STATE[2:0]
Reserved
BUS_FIFO_RDPNT
Reserved
BUS_FIFO_WRPNT
ATA_FIFO_STATUS
Register
ATA_FIFO_STATUS
ATA_FIFO_STAT
US
Reserved
ATA_STATE
PIO_STATE
PDMA_STATE
Reserved
UDMA_STATE
Reserved
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.
9-34
Address
0x70301990
Bits
[31:19] Reserved bits
[18:16] 3'b000 : IDLE
Another value is in operation.
[15:14] Reserved bits
[13:8] bus fifo read pointer
[7:6] Reserved bits
[5:0] bus fifo write pointer
Address
0x70301994
Bits
[31] Reserved bit
[30:28] PIO read data register while HOST read from
ATA device register
[27:26] 2'b00 : IDLE
2'b10 : T2
[25:24] 2'b00 : IDLE
2'b10 : T2
[23:21] Reserved bits
[20:16] 5'b00000 : IDLE
5'b00100 : END
Another value is in UDMA operation.
[15:0] Reserved bits
Description
ATA internal AHB FIFO status
Description
Description
ATA internal ATA FIFO status
Description
2''b01 : T1
2'b11 : TEOC
2'b01 : T1
2'b11 : TEOC
S3C6400X RISC MICROPROCESSOR
Reset Value
0x0000_0000
R/W Reset Value
R 0x0
R 0x00
R 0x0
R 0x00
R 0x0
R 0x00
Reset Value
0x0000_0000
R/W Reset Value
R 0x0
R 0x0000
R 0x0
R 0x0
R 0x0
R 0x00
R 0x0