Hitachi IC25N040ATCS04-0 Specifications - Page 191
Command data structure
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Command data structure: Data format of each command data structure is shown below. Description Device Control register Features register Sector count register Sector number register Cylinder Low register Cylinder High register Device/Head register Command register Time stamp (milliseconds from Power On) Figure 130. Command data structure Byte 1 1 1 1 1 1 1 1 4 12 Offset 00h 01h 02h 03h 04h 05h 06h 07h 08h Hitachi Travelstar 60GH & 40GN hard disk drive specifications 178
Command data structure
:
Data format of each command data structure is shown below.
12
08h
4
Time stamp (milliseconds from Power On)
07h
1
Command register
06h
1
Device/Head register
05h
1
Cylinder High register
04h
1
Cylinder Low register
03h
1
Sector number register
02h
1
Sector count register
01h
1
Features register
00h
1
Device Control register
Offset
Byte
Description
Figure 130. Command data structure
Hitachi Travelstar 60GH & 40GN hard disk drive specifications
178