SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 43

• Manufacturer Part Number: SST55LD019A
• Description: Ata Flash Disk Controllersst's Ata Flash Disk Controller is The Heart of a High Performance, Flash Media-based Data Storage System. The Ata Flash Disk Controller Recognizes The Control, Address, And Data Signals on The Ata/ide Bus And Translates Them
• Manufacturer: Silicon Storage Technology, Inc.

ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
11.2.1.24 Security-Set-Password - F1H
©2004 Silicon Storage Technology, Inc.
Command (7)
This command requests a transfer of a single sector of data from the host. Table 11-7 defines the
content of the sector of information. The data transferred controls the function of this command.
TABLE 11-7: S
Table 11-8 defines the interaction of the identifier and security level bits.
TABLE11-8:I
Sec Num (3)
Cyl High (5)
Identifier Level
User
User
Master
Cyl Low (4)
Sec Cnt (2)
Feature (1)
C/D/H (6)
17-256
Word
Bit ->
1-16
0
High
Maximum The password supplied with the command is saved as the new user password. The Lock
High or
Maximum
DENTIFIER AND
ECURITY
7
Content
Command result
The password supplied with the command is saved as the new User password. The lock
mode will be enabled from the next Power-on or hardware reset. The
Controller
password.
mode will be enabled from the next Power-on reset or hardware reset. The
Disk Controller
previously set is still stored in the
the
This combination sets a Master password but does not enable or disable the Lock mode.
The security level is not changed.
Control Word
Bit 0: Identifier
0: Compare User Password
1: Compare Master Password
Bit 1-15: Reserved
Password
(32 Bytes)
Reserved
ATA Flash Disk Controller
P
ASSWORD
S
X
6
ECURITY
will then be unlocked by either the User password or the previously set Master
will then be unlocked by only the User password. The Master password
D
L
ATA
EVEL
5
C
43
B
ONTENT
IT
I
Drive
NTERACTION
.
4
ATA Flash Disk Controller
F1H
X
X
X
X
X
3
2
will not be used to unlock
X
Advance Information
ATA Flash Disk
1
S71241-02-000
ATA Flash
T11-7.0 1241
T11-8.0 1241
0
4/04