7.2.4.7 Device Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:00)
xxxxxxxxxxxxxxxxxxxxxxxxxx
Host drives DD
tDH
tDS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx
WT Data
xxxxxxxxxx
Figure 38. Ultra DMA cycle timing chart (Device Terminating Write)
20
–
20
–
20
–
20
–
20
–
20
–
Pull-up time before DSTROBE
release
tIORDYZ
–
20
–
20
–
20
–
20
–
20
–
20
Hold time after –DMACK
negation
tACK
–
4.6
–
5
–
5
–
5
–
5
–
5
Data hold time (at device side)
tDH
–
4.0
–
5
–
7
–
7
–
10
–
15
Data setup time (at device side)
tDS
–
20
–
20
–
20
–
20
–
20
–
20
Interlocking time
tMLI
75
0
100
0
100
0
150
0
150
0
150
0
Limited interlock time
tLI
–
85
–
100
–
100
–
100
–
125
–
160
Ready to pause time
tRP
50
–
60
–
60
–
60
–
70
–
75
–
Ready to final strobe time
tRFS
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MODE5
MODE4
MODE3
MODE2
MODE1
MODE0
PARAMETER DESCRIPTION
(all values in ns)
Figure 39. Ultra DMA cycle timings (Device terminating Write)
Deskstar 40GV & 75GXP hard disk drive specifications
38
Содержание DTLA-305040 - Deskstar 41.1 GB Hard Drive
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