SMCXXXAF Datasheet, PDF (68/82 Pages) Numonyx B.V – 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte and 512 Mbyte 3.3 V / 5 V supply CompactFlash™ card

CF-ATA command description
SMCxxxAF
9.19
Standby command (96h or E2)
This command causes the card to set BSY, enter the Sleep mode (which corresponds to the
ATA ‘Standby’ mode), clear BSY and return the interrupt immediately. Recovery from Sleep
mode is accomplished by issuing another command. Table 70 defines the Standby
command byte sequence.
Table 70. Standby
Bit
7
6
5
4
3
2
1
0
Command (7)
C/D/H (6)
X
Cyl High (5)
Cyl Low (4)
Sect Num (3)
Sect Cnt (2)
Feature (1)
96h or E2h
Drive
X
X
X
X
X
X
9.20
Standby Immediate command (94h or E0h)
This command causes the card to set BSY, enter the Sleep mode (which corresponds to the
ATA Standby mode), clear BSY and return the interrupt immediately.
Recovery from Sleep mode is accomplished by issuing another command. Table 71 defines
the Standby Immediate byte sequence.
Table 71. Standby Immediate
Bit
7
6
5
4
3
2
1
0
Command (7)
94h or E0h
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
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