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SMC032BFY6 Datasheet(PDF) 57 Page - STMicroelectronics

Part # SMC032BFY6
Description  32MByte, 64MByte, 128MByte, 256MByte, 512MByte, 1GByte, 2GByte, and 4GByte 3.3/5V Supply CompactFlash??Card
PDF  91 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SMC032BFY6 Datasheet(HTML) 57 Page - STMicroelectronics

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CF-ATA command description
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10.2
Execute Drive Diagnostic (90h)
This command performs the internal diagnostic tests implemented by the Card.
In PCMCIA configuration, this command only runs on the Card which is addressed by the
Drive/Head register when the command is issued. This is because PCMCIA Card interface
does not allow for direct inter-drive communication.
In True IDE Mode, the Drive bit is ignored and the diagnostic command is executed by both
the Master and the Slave with the Master responding with the status for both devices.
Table 50 defines the Execute Drive Diagnostic command Byte sequence. The Diagnostic
codes shown in Table 51 are returned in the Error Register at the end of the command.
Table 50.
Execute Drive Diagnostic
Bit
7
6
5432
1
0
Command (7)
90h
C/D/H (6)
X
Drive
X
Cyl High (5)
X
Cyl Low (4)
X
Sect Num (3)
X
Sect Cnt (2)
X
Feature (1)
X
Table 51.
Diagnostic Codes
Code
Error Type
01h
No Error Detected
02h
Formatter Device Error
03h
Sector Buffer Error
04h
ECC Circuitry Error
05h
Controlling Microprocessor Error
8Xh
Slave Error in True IDE Mode



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