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10.32 Standby Immediate (94h or E0h)
This command causes the 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 issuing another command. Table 98 defines the Standby Immediate
Byte sequence.
Table 98: Standby Immediate
Task File Register
7
6
5
4
3
2
1
0
COMMAND
94h or E0h
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
D
nu
nu
nu
nu
nu
nu
10.33 Translate Sector (87h)
This command is effectively a NOP command and only implemented for backward compatibility. The Sector Count
Register will always be returned with a ‘00h’ indicating Translate Sector is not needed.
Table 99 defines the Translate Sector command Byte sequence.
Table 99: Translate Sector
Task File Register
7
6
5
4
3
2
1
0
COMMAND
87h
DRIVE/HEAD
1
LBA
1
D
Head (LBA 27-24)
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
Cylinder High (LBA23-16)
Cylinder Low (LBA15-8)
nu (LBA7-0)
nu
nu
10.34 Wear Level (F5h)
This command is effectively a NOP command and only implemented for backward compatibility. The Sector Count
Register will always be returned with a ‘00h’ indicating Wear Level is not needed.
Table 100 defines the Wear Level command Byte sequence.
Table 100: Wear level
Task File Register
7
6
5
4
3
2
1
0
COMMAND
F5h
DRIVE/HEAD
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
D
nu
nu
nu
Completion Status
nu
nu
10.35 Write Buffer (E8h)
The Write Buffer command enables the host to overwrite contents of the Card’s sector buffer with any data
pattern desired. This command has the same protocol as the Write Sector(s) command and transfers 512 Bytes.
Table 101 defines the Write Buffer command Byte sequence.
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.20
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-320_data_sheet_CF-HxBO_Rev120.doc
Page 78 of 101
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