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CompactFlash Memory Card Product Manual
6.1.1
Check Power Mode - 98H, E5H
Bit ->
7
Command (7)
C/D/H (6)
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command checks the power mode.
If the CompactFlash Memory Card is in, going to,
or
recovering
from
CompactFlash Card sets BSY, sets the Sector
Count Register to 00h, clears BSY and generates an
interrupt.
6.1.2
Execute Drive Diagnostic - 90H
Bit ->
7
Command (7)
C/D/H (6)
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command performs the internal diagnostic
tests implemented by the CompactFlash Memory
Card.
58
6
5
X
the
sleep
mode,
the
6
5
X
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
4
3
2
E5H or 98H
Drive
X
X
X
X
X
If the CompactFlash Memory Card is in Idle
mode, the CompactFlash Card sets BSY, sets the
Sector Count Register to FFh, clears BSY and
generates an interrupt.
4
3
2
90H
Drive
X
X
X
X
X
The Diagnostic codes shown in Table 6-2 are
returned in the Error Register at the end of the
command.
1
0
X
1
0
X
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