HB28C048A6 Datasheet, PDF (33/66 Pages) Hitachi Semiconductor – FLASH ATA Card

HB28C048/032/016A6
Task File register specification
These registers are used for reading and writing the storage data in this card. These registers are mapped five
types by the configuration of INDEX in 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
33