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7.9.7 Device
Terminating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:0)
xxxxxxxxxxxxxxxxxxxxxxxxxx
Host drives DD
tDH
tDS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx
WT Data
xxxxxxxxxx
20
–
20
–
20
–
20
–
20
–
20
–
Maximum time before releasing
IORDY
tIORDYZ
–
20
–
20
–
20
–
20
–
20
–
20
Hold time for DMACK-
tACK
–
4.6
–
5
–
5
–
5
–
5
–
5
CRC word hold time at device
tDH
–
4
–
5
–
7
–
7
–
10
–
15
CRC word setup time at device
tDS
–
20
–
20
–
20
–
20
–
20
–
20
Interlocking time with minimum
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
–
DDMARDY- to final HSTROBE
time
tRFS
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MODE 5
MODE 4
MODE 3
MODE 2
MODE 1
MODE 0
PARAMETER DESCRIPTION
Figure 46. Ultra DMA cycle timings (Device Terminating Write)
Travelstar 60GH & 40GN hard disk drive specifications
56
Содержание IC25N040ATCS04 - Travelstar 40 GB Hard Drive
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