FlashDrive Product Manual
FlashDrive Product Manual © 1999 SANDISK CORPORATION
38
6.1.1
Check Power Mode - 98H or E5H
Bit ->
7
6
5
4
3
2
1
0
Command (7)
E5H or 98H
C / D / H ( 6 )
X
Drive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
X
Feature (1)
X
This command checks the power mode.
If the FlashDrive is in, going to, or recovering
from the sleep mode, the FlashDrive sets BSY,
sets the Sector Count Register to 00h, clears BSY
and generates an interrupt.
If the FlashDrive is in Idle mode, the FlashDrive
sets BSY, sets the Sector Count Register to FFh,
clears BSY and generates an interrupt.
6.1.2
Execute Drive Diagnostic - 90H
Bit ->
7
6
5
4
3
2
1
0
Command (7)
90H
C / D / H ( 6 )
X
Drive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
X
Feature (1)
X
This command performs the internal diagnostic
tests implemented by the FlashDrive.
The Diagnostic codes shown in Table 6-2 are
returned in the Error Register at the end of the
command.
Summary of Contents for SD25B-100
Page 6: ...FlashDrive Product Manual FlashDrive Product Manual 1999 SANDISK CORPORATION 6 ...
Page 62: ...62 FlashDrive Product Manual 1999 SANDISK CORPORATION ...
Page 65: ...FlashDrive Product Manual 1999 SANDISK CORPORATION 65 SanDisk Sales Offices ...
Page 66: ...SanDisk Worldwide Sales Offices 66 FlashDrive Product Manual 1999 SANDISK CORPORATION ...