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PRELIMINARY
S3C6400X RISC MICROPROCESSOR
CF CONTROLLER
9-27
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_UDMA_TIME
Register
Address
Description
Reset Value
ATA_UDMA_TIME 0x70301930
ATA UDMA timing
0x020b_1362
ATA_UDMA_TIME
Bits
Description
R/W
Reset
Value
Reserved [31:28]
Reserved bits
R
0x0
UDMA_TDVH
[27:24]
UDMA timing parameter tDVH
tDVH = HCLK time * (UDM 1)
R/W 0x2
UDMA_TDVS
[23:16]
UDMA timing parameter tDVS
It shall not have zero value.
tDVS = HCLK time * (UDM 1)
R/W 0x0B
UDMA_TRP
[15:8]
UDMA timing parameter tRP
tRP = HCLK time * (UD 1)
R/W 0x13
UDMA_TSS
[7:4]
UDMA timing parameter, tSS
tSS = HCLK time * (UD 1)
R/W 0x6
UDMA_TACKENV
[3:0]
UDMA timing parameter tENV(envelope time)
(from DMACKn to STOP and HDMARDYn),
tACK(setup and hold time for DMACKn)
tENV = HCLK time * (UDMA_T 1)
R/W 0x2