Hitachi HTS541680J9AT00 Specifications - Page 46
Host Pausing Read DMA - 60 specifications
UPC - 683728200794
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7.9.2 Travelstar 5K160 (PATA) Hard Disk Drive Specification Host Pausing Read DMA DMARQ DMACK- STOP HDMARDYDSTROBE tSR tRFS PARAMETER MODE0 MODE1 MODE2 DESCRIPTION MIN MAX MIN MAX MIN MAX (ns) (ns) (ns) (ns) (ns) (ns) tSR DSTROBE to - 50 - 30 - 20 HDMARDY- time tRFS HDMARDY- to - 75 - 70 - 60 final DSTROBE time Figure 8. Ultra DMA cycle timings (Host Pausing Read) MODE3 MIN MAX (ns) (ns) - - - 60 MODE4 MIN MAX (ns) (ns) - - - 60 MODE5 MIN MAX (ns) (ns) - - - 50 Note: When a host does not satisfy the tSR timing, the host should be ready to receive two more data words after HDMARDY- is negated. 46/188
Travelstar 5K160 (PATA) Hard Disk Drive Specification
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188
7.9.2
Host Pausing Read DMA
PARAMETER
DESCRIPTION
MODE0
MODE1
MODE2
MODE3
MODE4
MODE5
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
tSR
DSTROBE to
HDMARDY- time
–
50
–
30
–
20
–
–
–
–
–
–
tRFS
HDMARDY- to
final DSTROBE
time
–
75
–
70
–
60
–
60
–
60
–
50
Figure 8. Ultra DMA cycle timings (Host Pausing Read)
Note: When a host does not satisfy the tSR timing, the host should be ready to receive two more data
words after HDMARDY- is negated.
DSTROBE
HDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS