T
T
TS
S
S2
2
2G
G
G~
~
~1
1
16
6
6G
G
GC
C
CF
F
F3
3
30
0
00
0
0
300X CompactFlash Card

Transcend Information Inc.

V1.1

71
Command (7)
97h or E3h
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

Idle Immediate - 95h or E1h

This command causes the CompactFlash St orage Card to set BSY, enter the Idle mode, clear BSY and

generate an interrupt.

Bit ->
7 6 5 4 3 2 1 0
Command (7)
95h or E1h
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

Initialize Drive Parameters - 91h

This command enables the host to set the number of sectors per track and the number of heads per cylinder.

Only the Sector Count and the Card/Drive/Head registers are used by this command.

Bit ->
7 6 5 4
3 2 1 0
Command (7)
91h
C/D/H (6)
X 0 X Drive Max Head (no. of heads-1)
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
Number of Sectors
Feature (1)
X

NOP - 00h

This command always fails with the CompactFlash Storage Card returning command aborted.

Bit ->
7 6 5 4 3 2 1 0
Command (7)
00h
C/D/H (6)
X
Drive
X