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SDP3B FlashDisk Product Manual
6.1.25
Write Long Sector - 32H & 33H
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 is provided for compatibility
purposes and is similar to the Write Sector(s)
command except that it writes 516 bytes instead of
512 bytes.
Only
single
operations are supported. The transfer consists of
512 bytes of data transferred in word mode
followed by 4 bytes of ECC transferred in byte
6.1.26
Write Multiple Command - C5H
Bit ->
7
Command (7)
C/D/H (6)
X
Cyl High (5)
Cyl Low (4)
Sec Num (3)
Sec Cnt (2)
Feature (1)
Note:
The current revision of the SDP3B FlashDisk
only supports a block count of 1 as indicated in
the Identify Drive Command information. This
command is provided for compatibility with
future products which may support a larger
block count.
This command is similar to the Write Sectors
command. The SDP3B FlashDisk sets BSY within
400 nsec of accepting the command. Interrupts are
76
6
5
4
32H or 33H
LBA
1
Drive
Cylinder High (LBA 23-16)
Cylinder Low (LBA 15-8)
Sector Number (LBA 7-0)
sector Write
Long
6
5
4
LBA
X
Drive
Cylinder High
Cylinder Low
Sector Number
Sector Count
SanDisk SDP3B FlashDisk Product Manual © 1998 SANDISK CORPORATION
3
2
Head (LBA 27-24)
X
X
mode. Because of the unique nature of the solid-
state SDP3B FlashDisk, the four bytes of ECC
transferred by the host cannot be used by the
SDP3B
FlashDisk.
discards these four bytes and writes the sector
with valid ECC fields. This command has the
same protocol as the Write Sector(s) command.
3
2
C5H
Head
X
not presented on each sector but on the transfer of a
block which contains the number of sectors defined
by Set Multiple. Command execution is identical
to the Write Sectors operation except that the
number of sectors defined by the Set Multiple
command is transferred
interrupts.
DRQ qualification of the transfer is required only
at the start of the data block, not on each sector.
1
0
The
SDP3B
FlashDisk
1
0
without
intervening
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