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SMC032BFY6 Fiches technique(PDF) 77 Page - STMicroelectronics

No de pièce SMC032BFY6
Description  32MByte, 64MByte, 128MByte, 256MByte, 512MByte, 1GByte, 2GByte, and 4GByte 3.3/5V Supply CompactFlash??Card
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
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10.23
Wear Level (F5h)
This command is effectively a NOP command and only implemented for backward
compatibility. The Sector Count Register will always be returned with a ‘00h’ indicating Wear
Level is not needed.
Table 77 defines the Wear Level command Byte sequence.
10.24
Write Buffer (E8h)
The Write Buffer command enables the host to overwrite contents of the Card’s sector buffer
with any data pattern desired. This command has the same protocol as the Write Sector(s)
command and transfers 512 Bytes.
Table 78 defines the Write Buffer command Byte sequence.
Table 77.
Wear level
Bit
7
6
5
4
3
2
1
0
Command (7)
F5h
C/D/H (6)
X
Drive
Flag
Cyl High (5)
X
Cyl Low (4)
X
Sect Num (3)
X
Sect Cnt (2)
Completion Status
Feature (1)
X
Table 78.
Write Buffer
Bit
7
6
5
432
1
0
Command (7)
E8h
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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