SMCXXXAF Datasheet, PDF (59/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

SMCxxxAF
CF-ATA command description
9.6
Idle Immediate command (95h or E1h)
This command causes the card to set BSY, enter the Idle mode, clear BSY and generate an
interrupt. Table 54 defines the Idle Immediate command byte sequence.
Table 54. Idle Immediate
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
Sect Num (3)
X
Sect Cnt (2)
X
Feature (1)
X
9.7
Initialize Drive Parameters command (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. Table 55 defines the Initialize Drive Parameters command byte sequence.
Table 55. Initialize Drive Parameters
Bit
7
6
5
Command (7)
C/D/H (6)
X
0
X
Cyl High (5)
Cyl Low (4)
Sect Num (3)
Sect Cnt (2)
Feature (1)
4
3
2
1
0
91h
Drive
Max Head (no. of heads 1)
X
X
X
Number of sectors
X
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