SST55LD019A Silicon Storage Technology, Inc., SST55LD019A Datasheet - Page 17
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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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ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
11.0 SOFTWARE INTERFACE
11.1 ATA Flash Disk Controller Drive Register Set Definitions and Protocol
11.1.1 ATA Flash Disk Controller Addressing
The I/O decoding for an ATA Flash Disk Controller is shown in Table 11-1.
11.1.2 ATA Flash Disk Controller Registers
The following section describes the hardware registers used by the host software to issue commands to the ATA
Flash Disk Controller. These registers are often collectively referred to as the Task File registers. The registers are
only selectable through CS3FX#, CS1FX#, and A
TABLE 11-1: T
11.1.2.1 Data Register (Read/Write)
This 16-bit register is used to transfer data blocks between the device data buffer and the host. It is also the register
through which sector information is transferred on a Format-Track command. Data transfer can be performed in
PIO mode.
©2004 Silicon Storage Technology, Inc.
CS3FX#
1
1
1
1
1
1
1
1
0
0
CS1FX#
0
0
0
0
0
0
0
0
1
1
ASK
F
ILE
A2
0
0
0
0
1
1
1
1
1
1
R
EGISTERS
A1
0
0
1
1
0
0
1
1
1
1
A0
0
1
0
1
0
1
0
1
0
1
2
IORD# = 0 (IOWR#=1)
Data (Read)
Error
Sector Count
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
Cylinder High (LBA 23-16)
Drive/Head
Status
Alternate Status
Drive Address
-A
0
signals.
17
Registers
IOWR# = 0 (IORD#=1)
Data (Write)
Feature
Sector Count
Sector Number (LBA 7-0)
Cylinder Low (LBA 15-8)
Cylinder High (LBA 23-16)
Drive/Head
Command
Device Control
Reserved
Advance Information
S71241-02-000
T11-1.0 1241
4/04