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ATA Command Description
5.1.21. Standby Immediate—94H, E0H
Bit ->
Command (7)
C/D/H (6)
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command causes the CompactFlash Memory Card to set BSY, enter the Sleep mode (which corresponds to the
ATA "Standby" Mode), clear BSY and return the interrupt immediately. Recovery from sleep mode is accomplished
by simply issuing another command (a reset is not required).
5.1.22. Translate Sector—87H
Bit ->
Command (7)
C/D/H (6)
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
When this command is issued, the controller responds with a 512-byte buffer of information on the desired cylinder,
head and sector with the actual Logical Address. Table 5-28 represents the information in the buffer. Please note that
this command is unique to the SanDisk CompactFlash Memory Card.
5-18
Table 5-26. Standby Immediate
7
6
5
X
Table 5-27. Translate Sector
7
6
5
1
LBA
1
Table 5-28. Translate Sector Information
Address
00
01-02
03
04-07
08
09-0A
0B
0C-1FF
®
CompactFlash
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION
4
3
E0H or 94H
Drive
X
X
X
X
X
4
3
87H
Drive
Head (LBA 27-24)
Cylinder High (LBA 23-16)
Cylinder Low (LBA 15-8)
Sector Number (LBA 7-0)
X
X
Information
Head
Cylinder
Sector
LBA
Chip
Block
Page
Reserved
2
1
0
X
2
1
0
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