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Table 60: Diagnostic Codes
Code
01h
02h
03h
04h
05h
8Xh
Error Type
No Error Detected
Formatter Device Error
Sector Buffer Error
ECC Circuitry Error
Controlling Microprocessor Error
Slave Error in True IDE Mode
10.4 Flush Cache (E7h)
This command causes the card to complete writing data from its cache. The card returns status with RDY=1 and
DSC=1 after the data in the write cache buffer is written to the media. If the Compact Flash Storage Card does not
support the Flush Cache command, the Compact Flash Storage Card shall return command aborted.
Table 61: Flush Cache
Task File Register
7
6
5
4
3
2
1
0
COMMAND
E7h
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
10.5 Format track (50h)
This command writes the desired head and cylinder of the selected drive with a vendor unique data pattern
(typically FFh or 00h). To remain host backward compatible, the CompactFlash Storage Card expects a sector buffer
of data from the host to follow the command with the same protocol as the Write Sector(s) command although
the information in the buffer is not used by the CompactFlash Storage Card. If LBA=1 then the number of sectors to
format is taken from the Sec Cnt register (0=256). The use of this command is not recommended.
Table 62: Format track
Task File Register
7
6
5
4
3
2
1
0
COMMAND
50h
DRIVE/HEAD
nu
L
nu
D
H[3:0] or LBA[27:24] of the starting
sector/LBA
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
Cylinder[15:8] or LBA[23:16] of the first sector/LBA
Cylinder[7:0] or LBA[15:8] of the first sector/LBA
nu
Sector Count (LBA only)
nu
10.6 Identify Device (Ech)
The Identify Device command enables the host to receive parameter information from the Card. This command
has the same protocol as the Read Sector(s) command. Table 63 defines the Identify Device command Byte
sequence. All reserved bits or Words are zero.
Identify Device table shows the definition of each field in the Identify Drive Information.
Table 63: Identify Device
Task File Register
7
6
5
4
3
2
1
0
COMMAND
Ech
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
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 58 of 101
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