User Manual

ATA Command Description
CompactFlash
®
Memory Card Product Manual, Rev. 10.0 © 2002 SANDISK CORPORATION 5-9
5.1.6. Idle—97H, E3H
Table 5-9. Idle
Bit -> 7 6 5 4 3 2 1 0
Command (7) E3H or 97H
C/D/H (6) X Drive X
Cyl High (5) X
Cyl Low (4) X
Sec Num (3) X
Sec Cnt (2) Timer Count (5 msec increments)
Feature (1) X
This command causes the CompactFlash Memory Card to set BSY, enter the Idle (Read) mode, clear BSY and
generate an interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count being 5
milliseconds and the automatic power down mode is enabled. If the sector count is zero, the automatic power down
mode is disabled. Note that this time base (5 msec) is different from the ATA specification.
5.1.7. Idle Immediate—95H, E1H
Table 5-10. Idle Immediate
Bit -> 7 6 5 4 3 2 1 0
Command (7) E1H or 95H
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 causes the CompactFlash Memory Card to set BSY, enter the Idle (Read) mode, clear BSY and
generate an interrupt.