7.9.5
Initiating Write DMA
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tUI
tACK
tENV
tZIORDY
tLI
tUI
tCYC
t2CYC
DD(15:0)
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxx
xxx
Host drives DD
tDH
tDS
WT Data
WT Data
WT Data
tACK
tCYC
–
4.6
–
5
–
5
–
5
–
5
–
5
Data Hold time at device
tDH
–
4
–
5
–
7
–
7
–
10
–
15
Data setup time at device
tDS
–
38
–
57
–
86
–
115
–
154
–
230
Two cycle time
t2CYC
–
16.8
–
25
–
39
–
54
–
73
–
112
Cycle time
tCYC
75
0
100
0
100
0
150
0
150
0
150
0
Limited interlock time
tLI
–
0
–
0
–
0
–
0
–
0
–
0
Minimum time before driving
IORDY
tZIORDY
55
20
55
20
55
20
70
20
70
20
70
20
Envelope time
tENV
–
20
–
20
–
20
–
20
–
20
–
20
Setup time for DMACK-
tACK
–
0
–
0
–
0
–
0
–
0
–
0
Unlimited interlock time
tUI
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 47. Ultra DMA cycle timings (Initiating Write)
Travelstar 48GH, 30GN & 15GN hard disk drive specifications
58
Содержание IC25N005ATDA04
Страница 2: ...This page intentionally left blank ...
Страница 10: ...This page intentionally left blank ...
Страница 14: ...This page intentionally left blank ...
Страница 21: ...Part 1 Functional specification Travelstar 48GH 30GN 15GN hard disk drive specifications 7 ...
Страница 22: ...This page intentionally left blank ...
Страница 24: ...This page intentionally left blank ...
Страница 34: ...This page intentionally left blank ...
Страница 38: ...This page intentionally left blank ...
Страница 58: ...This page intentionally left blank ...
Страница 78: ...This page intentionally left blank ...
Страница 79: ...Part 2 Interface specification Travelstar 48GH 30GN 15GN hard disk drive specifications 65 ...
Страница 80: ...This page intentionally left blank ...
Страница 82: ...This page intentionally left blank ...
Страница 84: ...This page intentionally left blank ...
Страница 116: ...This page intentionally left blank ...
Страница 216: ...This page intentionally left blank Travelstar 48GH 30GN 15GN hard disk drive specifications 202 ...