Deskstar 7K500 and Deskstar E7K500 Hard Disk Drive Specification
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6.8.6 Device Pausing Write DMA
Table 35: Ultra DMA cycle timing chart (Device Pausing Write)
Note: When a device does not satisfy the tSR timing, it shall be ready to receive two more strobes after
DDMARDY– is negated.
Table 36: Ultra DMA cycle timing chart (Device Pausing Write)
PARAMETER
DESCRIPTION
(all values in ns)
MODE 0 MODE 1 MODE 2 MODE 3 MODE 4 MODE 5 MODE 6
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
tSRHSTROBE to DDMARDY- time –50–30–20––––––----
tRFS DDMARDY- to final HSTROBE time – 75 – 70 – 60 – 60 – 60 – 50 -- 50
HSTROBE
DDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS