SMC032BFY6 datasheet(77/91 Pages) STMICROELECTRONICS

Part #	SMC032BFY6

Description	32MByte, 64MByte, 128MByte, 256MByte, 512MByte, 1GByte, 2GByte, and 4GByte 3.3/5V Supply CompactFlash??Card

PDF	91 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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77 / 91 page

SMCxxxBF

CF-ATA command description

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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

Command (7)

F5h

C/D/H (6)

Drive

Flag

Cyl High (5)

Cyl Low (4)

Sect Num (3)

Sect Cnt (2)

Completion Status

Feature (1)

Table 78.

Write Buffer

Bit

432

Command (7)

E8h

C/D/H (6)

Drive

Cyl High (5)

Cyl Low (4)

Sect Num (3)

Sect Cnt (2)

Feature (1)

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