SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 38
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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
11.2.1.14 Read-Long-Sector - 22H or 23H
11.2.1.15 Read-Native-Max-Address - F8H
©2004 Silicon Storage Technology, Inc.
Command (7)
Command (7)
The Read-Long-Sector command performs similarly to the Read-Sector(s) command except that it
returns 516 Bytes of data instead of 512 Bytes. During a Read-Long-Sector command, the ATA Flash
Disk Controller does not check the ECC bytes to determine if there has been a data error. Only single-
sector Read-Long-Sector operations are supported. The transfer consists of 512 Bytes of data
transferred in Word-Mode followed by 4 Bytes of ECC data transferred in Byte-Mode. This command
has the same protocol as the Read-Sector(s) command. Use of this command is not recommended.
This command returns the native maximum address. The native maximum address is the highest
address accepted by the device in the factory default condition. The native maximum address is the
maximum address that is valid when using the Set-Max-Address command.
The Read-Native-Max-Address command output will take the following format:
C/D/H
Cyl High
Cyl Low
Sec Num
Sec Num (3)
Sec Num (3)
Cyl High (5)
Cyl High (5)
Cyl Low (4)
Cyl Low (4)
Sec Cnt (2)
Sec Cnt (2)
Feature (1)
Feature (1)
Sec Num
C/D/H (6)
C/D/H (6)
Cyl High
Cyl Low
Sec Cnt
C/D/H
Bit ->
Bit ->
Bit ->
Maximum native LBA bits (27:24) for native max address on the device.
Drive indicates the selected device.
Maximum native LBA bits (23:16) for native max address on the device.
Maximum native LBA bits (15:8) for native max address on the device.
Maximum native LBA bits (7:0) for native max address on the device.
7
1
7
7
LBA
X
X
6
6
6
SST55LD019A / SST55LD019B / SST55LD019C
5
1
5
5
Native max address (LBA 23-16)
Native max address (LBA 15-8)
Native max address (LBA 7-0)
38
Cylinder High (LBA 23-16)
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
Drive
Drive
Drive
4
4
4
22H or 23H
F8H
X
X
X
X
X
X
X
X
3
3
3
Native max address (LBA 27:24)
ATA Flash Disk Controller
Head (LBA 27-24)
2
2
2
X
1
1
1
S71241-02-000
0
0
0
4/04