7.2.4.6 Device Pausing Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
tSR
STOP
tRFS
Figure 36. Ultra DMA cycle timing chart (Device Pausing Write)
50
–
60
–
60
–
60
–
70
–
75
–
Ready to final strobe time
tRFS
–
–
-
–
–
–
20
–
30
–
50
–
Strobe to ready response time
tSR
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MODE5
MODE4
MODE3
MODE2
MODE1
MODE0
PARAMETER DESCRIPTION
(all values in ns)
Note: When a device does not meet tSR, it shall be ready to receive 3 more strobes after DDMARDY– is
negated.
Figure 37. Ultra DMA cycle timings (Device Pausing Write)
Deskstar 40GV & 75GXP hard disk drive specifications
37
Summary of Contents for DTLA-305040 - Deskstar 41.1 GB Hard Drive
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