Samsung S3C6400X User Manual page 200

S3C6400X RISC MICROPROCESSOR
UDMA mode
tACKENV
tRP
tSS
tDVS
tDVH
tDVS+tDVH
ATA_UDMA_TIME (Tpara) = UDMA mode(min, max) / system clock – 1
UDMA 0 UDMA 1
(20, 70) (20, 70)
(160, --) (125, --)
(50, --) (50, --)
(70, --) (48, --)
(6.2, --) (6.2, --)
(120, --) (80, --)
Table 9-3: Timing Parameter Each UDMA Mode
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.
UDMA 2 UDMA 3
(20, 70) (20, 55)
(100, --) (100, --)
(50, --) (50, --)
(31, --) (20, --)
(6.2, --) (6.2, --)
(60, --) (45, --)
CF CONTROLLER
UDMA 4
(20, 55)
(100, --)
(50, --)
(6.7, --)
(6.2, --)
(30, --)
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