参数资料
型号: SST55LD019B-45-C-TQW
厂商: SILICON STORAGE TECHNOLOGY INC
元件分类: 存储控制器/管理单元
英文描述: FLASH MEMORY DRIVE CONTROLLER, PQFP100
封装: MS-026AED, TQFP-100
文件页数: 9/76页
文件大小: 711K
代理商: SST55LD019B-45-C-TQW
Advance Information
ATA Flash Disk Controller
SST55LD019A / SST55LD019B / SST55LD019C
2004 Silicon Storage Technology, Inc.
S71241-02-000
4/04
17
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 A2-A0 signals.
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.
TABLE
11-1: TASK FILE REGISTERS
CS3FX#
CS1FX#
A2
A1
A0
Registers
IORD# = 0 (IOWR#=1)
IOWR# = 0 (IORD#=1)
1
0
Data (Read)
Data (Write)
1
0
1
Error
Feature
1
0
1
0
Sector Count
1
0
1
Sector Number (LBA 7-0)
1
0
1
0
Cylinder Low (LBA 15-8)
1
0
1
0
1
Cylinder High (LBA 23-16)
1
0
1
0
Drive/Head
1
0
1
Status
Command
0
1
0
Alternate Status
Device Control
0
1
Drive Address
Reserved
T11-1.0 1241
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