5.2.4.6
Device Pausing Write DMA
DMARQ
DMACK-
STOP
DDMARDY-
DSTROBE
Figure 14 Ultra DMA cycle timing chart (Device Pausing Write)
PARAMETER
DESCRIPTION
(all values in ns)
tRP
Ready to pause time
DDMARDY– to final
tRFS
HSTROBE time
Table 23 Ultra DMA cycle timings (Device Pausing Write)
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
tRP
tRFS
MODE0
MODE1
MODE2
MIN
MAX
MIN
MAX
MIN
160
–
125
–
100
–
75
–
70
–
31
MODE3
MODE4
MAX
MIN
MAX
MIN
MAX
–
100
–
100
-
60
–
60
–
60
MODE6
MODE5
MIN
MAX
MIN
MAX
85
–
85
–
–
50
–
50