Format Track - 50H; Identify Drive - Ech - SanDisk SDIB-4 Product Manual

FlashDrive Product Manual
6.1.4

Format Track - 50H

Bit -> 7
Command (7)
C/D/H (6) 1
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
This command writes the desired head and
cylinder of the selected drive with a FFh pattern.
To remain host backward
FlashDrive expects a sector buffer of data from
the host to follow the command with the same
6.1.5

Identify Drive - ECH

Bit -> 7
Command (7)
C/D/H (6) X
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
The Identify Drive command enables the host to
receive parameter
FlashDrive. This command has the same protocol
as the Read Sector(s) command. The parameter
40
6 5
LBA 1
Cylinder High (LBA 23-16)
Cylinder Low (LBA 15-8)
Count (LBA mode only)
compatible, the
6 5
X X
information from the
4 3 2
50H
Drive Head (LBA 27-24)
X (LBA 7-0)
X
protocol as the Write Sector(s) command although
the information in the buffer is not used by the
FlashDrive. If LBA=1 then the number of sectors
to format is taken from the Sec Cnt register
(0=256).
4 3 2
ECH
Drive
X
X
X
X
X
words in the buffer have the arrangement and
meanings defined in Table 6-3. All reserved bits or
words are zero. Table 6-3 is the definition for each
field in the Identify Drive Information.
FlashDrive Product Manual © 1999 SANDISK CORPORATION
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