Hitachi HDS725050KLA360 - Host Pausing Read DMA; Table 27. Ultra DMA Cycle Timing Chart (Host Pausing Read); Table 28. Ultra DMA Cycle Timings (Host Pausing Read)

Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
36
6.8.2 Host Pausing Read DMA
Table 27: Ultra DMA cycle timing chart (Host pausing Read)
Note: When a host does not satisfy tSR timing, it should be ready to receive two more data words after HDMARDY - is
negated.
Table 28: Ultra DMA cycle timings (Host pausing Read)
PARAMETER DESCRIPTION
(all values in ns)
MODE 0MODE 1MODE 2MODE 3MODE 4MODE 5MODE 6
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
tSRDSTROBE to HDMARDY- time–50–30–20– – – – – – ----
tRFS
HDMARDY- to final DSTROBE
time
–75–70–60–60–50–50--50
DSTROBE
HDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS