smc256af Numonyx, smc256af Datasheet - Page 73

• 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

SMCxxxAF
9.27
9.28
Write Sector(s) without Erase command (38h)
This command is similar to the Write Sector(s) command with the exception that an implied
erase before write operation is not performed. This command has the same protocol as the
Write Sector(s) command. The sectors should be pre-erased with the Erase Sector(s)
command before this command is issued. If the sector is not pre-erased a normal write
sector operation will occur.
byte sequence.
Table 79.
Write Verify command (3Ch)
This command is similar to the Write Sector(s) command, except each sector is verified
immediately after being written. This command has the same protocol as the Write Sector(s)
command.
Table 80.
M
Command (7)
Sect Num (3)
Sect Cnt (2)
Cyl High (5)
Cyl Low (4)
Feature (1)
C/D/H (6)
Command (7)
Sect Num (3)
Cyl High (5)
Sect Cnt (2)
Cyl Low (4)
Feature (1)
Bit
C/D/H (6)
Bit
Table 80
Write Sector(s) without Erase
Write Verify
7
1
defines the Write Verify command byte sequence.
LBA
Table 79
7
1
6
LB
defines the Write Sector(s) without Erase command
A
6
5
1
Cylinder High (LBA 23-16)
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
5
1
Drive
Cylinder High (LBA 23-16)
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
4
Drive
Sector Count
4
Sector Count
3Ch
X
38h
3
X
3
CF-ATA command description
Head (LBA 27-24)
Head (LBA 27-24)
2
2
1
1
0
0
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