參數(shù)資料
型號: 7P448ATA2500C25
英文描述: Flash Memory Card(448M位閃速存儲器卡)
中文描述: 閃存卡(448M位閃速存儲器卡)
文件頁數(shù): 29/62頁
文件大小: 626K
代理商: 7P448ATA2500C25
7PxxxATA25xxC25
June 2000 Rev. 1 – ECO #12936
29
White Electronic Designs Corporation
(508) 366-5151
Task File Register Specification
These registers are used for reading and writing the storage data in this card. These registers are mapped
four types by the configuration of INDEX in the Configuration Option register. The decoded addresses are
shown as follows.
Memory Map (INDEX = 0)
-REG A10
A9 to A4 A3
A2
A1
A0
Offset
-OE = L
-WE = L
1
0
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
0
0
0
0
0H
Data register
Data register
1
0
0
0
0
1
1H
Error register
Feature register
1
0
0
0
1
0
2H
Sector count register
Sector count register
1
0
0
0
1
1
3H
Sector number register Sector number register
1
0
0
1
0
0
4H
Cylinder low register
Cylinder low register
1
0
0
1
0
1
5H
Cylinder high register
Cylinder high register
1
0
0
1
1
0
6H
Drive head register
Drive head register
1
0
0
1
1
1
7H
Status register
Command register
1
0
1
0
0
0
8H
Dup. even data register Dup. even data register
1
0
1
0
0
1
9H
Dup. odd data register
Dup. odd data register
1
0
1
1
0
1
DH
Dup. error register
Dup. feature register
1
0
1
1
1
0
EH
Alt. status register
Device control register
1
0
1
1
1
1
FH
Drive address register
Reserved
1
1
×
×
×
×
×
×
0
8H
Even data register
Even data register
1
1
1
9H
Odd data register
Odd data register
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