SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 22
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SST55LD019A
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.
Datasheet
1.SST55LD019A.pdf
(76 pages)
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Advance Information
11.2 ATA Flash Disk Controller Command Description
This section defines the software requirements and the format of the commands the host sends to the ATA Flash Disk
Controller. Commands are issued to the ATA Flash Disk Controller by loading the required registers in the command
block with the supplied parameters, and then writing the command code to the Command register. The manner in which
a command is accepted varies. There are three classes (see Table 11-2) of command acceptance, all dependent on the
host not issuing commands unless the ATA Flash Disk Controller is not busy (BSY=0).
11.2.1 ATA Flash Disk Controller Command Set
Table 11-2 summarizes the ATA Flash Disk Controller command set with the paragraphs that follow describing the
individual commands and the task file for each.
TABLE 11-2: ATA F
©2004 Silicon Storage Technology, Inc.
Command
Check-Power-Mode
Execute-Drive-Diagnostic
Erase-Sector(s)
Flush-Cache
Format-Track
Identify-Drive
Idle
Idle-Immediate
Initialize-Drive-Parameters
NOP
Read-Buffer
Read-DMA
Read-Long-Sector
Read-Multiple
Read-Native-Max-Address
Read-Sector(s)
Read-Verify-Sector(s)
Recalibrate
Request-Sense
Security-Disable-Password
Security-Erase-Prepare
Security-Erase-Unit
Security-Freeze-Lock
Security-Set-Password
Security-Unlock
Seek
Set-Features
Set-Max
Set-Multiple-Mode
Set-Sleep-Mode
Set-WP_PD#-Mode
Standby
Standby-Immediate
LASH
D
ISK
C
ONTROLLER
C
C8H or C9H
E5H or 98H
E3H or 97H
E1H or 95H
E6H or 99H
E2H or 96H
E0H or 94H
22H or 23H
20H or 21H
40H or 41H
OMMAND
SST55LD019A / SST55LD019B / SST55LD019C
Code
ECH
C0H
E7H
E4H
C4H
1XH
7XH
EFH
C6H
8BH
90H
50H
91H
00H
F8H
03H
F6H
F3H
F4H
F5H
F1H
F2H
F9H
22
S
ET
(1
OF
FR
Y
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
2)
SC
Y
Y
Y
Y
Y
Y
Y
Y
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7
2
ATA Flash Disk Controller
SN
Y
Y
Y
Y
Y
Y
Y
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3
CY
Y
Y
Y
Y
Y
Y
Y
Y
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4
S71241-02-000
DH
D
Y
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
Y
D
D
D
Y
Y
Y
Y
Y
Y
Y
Y
Y
D
D
D
8
8
5
LBA
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
6
4/04