SMC032BF 查看數據表（PDF） - STMicroelectronics
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SMC032BF Datasheet PDF : 91 Pages
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CF-ATA command description
SMCxxxBF
10.8
NOP (00h)
This command always fails with the CompactFlash Memory Card returning command
aborted. Table 58 defines the Byte sequence of the NOP command.
Table 58. NOP
Bit
7
6
5
4
3
2
1
0
Command (7)
00h
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
10.9
Read Buffer (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.
Table 59 defines the Read Buffer command Byte sequence.
Table 59. Read Buffer
Bit
7
6
5
4
3
2
1
0
Command (7)
E4h
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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