Deskstar 7K160 Hard Disk Drive Specification
31
•
In the event that a host reads the status register only before the sector or block transfer DRQ interval, the
DRQ interval 4.2
µ
s
•
In the event that a host reads the status register after or both before and after the sector or block transfer,
the DRQ interval is 11.5
µ
s
6.8 Multi-word DMA timings
The Multiword DMA timings meet Mode 2 of the ATA/ATAPI-6 description.
Table 18: Multiword DMA cycle timing chart
Table 19: Multiword DMA cycle timings
PARAMETER DESCRIPTION
MIN (ns)
MAX (ns)
t0
Cycle time
120
–
tD
DIOR-/DIOW- asserted pulse width
70
–
tE
DIOR- data access
–
50
tF
DIOR- data hold
5
–
tG
DIOR-/DIOW- data setup
20
–
tH
DIOW- data hold
10
–
tI
DMACK- to -DIOR-/DIOW- setup
0
–
tJ
DIOR-/DIOW- to DMACK- hold
5
–
tKR/tKW
DIOR-/DIOW- negated pulse width
25
–
tLR/tLW
DIOR-/DIOW- to DMARQ- delay
–
35
tM
CS (1:0) valid to DIOR-/DIOW-
25
-
tN
CS (1:0)
10
-
tZ
DMACK- to read data released
–
25
WRITE DATA
READ DATA
DMACK-
DMARQ
DIOR-/DIOW-
t0
tLR/tLW
tJ
tI
tD
tKR/tKW
tF
tG
tH
tG
tZ
CS0-/CS1-
tM
tN
tE
Summary of Contents for Deskstar 7K160
Page 2: ......
Page 18: ...Deskstar 7K160 Hard Disk Drive Specification 4 ...
Page 20: ...Deskstar 7K160 Hard Disk Drive Specification 6 ...
Page 21: ...Deskstar 7K160 Hard Disk Drive specification 7 Part 1 Functional specification ...
Page 22: ...Deskstar 7K160 Hard Disk Drive Specification 8 ...
Page 24: ...Deskstar 7K160 Hard Disk Drive Specification 10 ...
Page 34: ...Deskstar 7K160 Hard Disk Drive Specification 20 ...
Page 55: ...Deskstar 7K160 Hard Disk Drive Specification 41 Part 2 Interface specification ...
Page 56: ...Deskstar 7K160 Hard Disk Drive Specification 42 ...
Page 78: ...Deskstar 7K160 Hard Disk Drive Specification 64 ...
Page 80: ...Deskstar 7K160 Hard Disk Drive Specification 66 ...
Page 88: ...Deskstar 7K160 Hard Disk Drive Specification 74 ...
Page 140: ...Deskstar 7K160 Hard Disk Drive Specification 126 ...
Page 146: ...Deskstar 7K160 Hard Disk Drive Specification 132 ...
Page 288: ...Deskstar 7K160 Hard Disk Drive Specification 274 ...
Page 297: ...Write Buffer 249 Write cache function 93 Write Continuous bit 102 Write DRQ interval time 30 ...