smc256af Numonyx, smc256af Datasheet - Page 60

• Manufacturer Part Number: smc256af
• Description: 32 Mbyte, 64 Mbyte, 128 Mbyte, 256 Mbyte And 512 Mbyte 3.3 V / 5 V Supply Compactflash? Card
• Manufacturer: Numonyx

CF-ATA command description
9.8
9.9
60/82
NOP command (00h)
This command always fails with the CompactFlash memory card returning command
aborted.
Table 56.
Read Buffer command (E4h)
The Read Buffer command enables the host to read the current contents of the card’s sector
buffer. This command has the same protocol as the Read Sector(s) command.
defines the Read Buffer command byte sequence.
Table 57.
Command (7)
Sect Num (3)
Cyl High (5)
Sect Cnt (2)
Cyl Low (4)
Feature (1)
C/D/H (6)
Command (7)
Sect Num (3)
Sect Cnt (2)
Cyl High (5)
Cyl Low (4)
Feature (1)
C/D/H (6)
Bit
Bit
Table 56
NOP
Read Buffer
defines the byte sequence of the NOP command.
7
7
X
6
X
6
5
5
Drive
4
Drive
4
E4h
X
X
X
X
X
00h
3
X
X
X
X
X
3
2
2
X
X
1
1
Table 57
SMCxxxAF
0
0