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

CompactFlash Memory Card 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
CompactFlash Memory Card expects a sector
buffer of data from the host to follow the
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
CompactFlash Memory Card. This command has
the same protocol as the Read Sector(s) command.
The parameter words in the buffer have the
60
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
SanDisk CompactFlash Memory Card Product Manual © 1998 SANDISK CORPORATION
4 3 2
50H
Drive Head (LBA 27-24)
X (LBA 7-0)
X
command with the same protocol as the Write
Sector(s) command although the information in
the buffer is not used by the CompactFlash Card.
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
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.
1 0
1 0
X