HB288064C6 HITACHI [Hitachi Semiconductor], HB288064C6 Datasheet - Page 13
HB288064C6
Manufacturer Part Number
HB288064C6
Description
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HB288064C6.pdf
(67 pages)
- Current page: 13 of 67
- Download datasheet (170Kb)
2. Task File register access specifications
There are two cases of Task File register mapping, one is mapped I/O address area, the other is mapped Memory address
area. Each case of Task File register read and write operations are executed under the condition as follows. That area can
be accessed by Byte/Word/Odd Byte mode which are defined by PC card standard specifications.
(1) I/O address map
Task File Register Read Access Mode (1)
Mode
Standby mode
Byte access (8-bit)
Word access (16-bit)
Odd byte access (8-bit) L
Note:
Task File Register Write Access Mode (1)
Mode
Standby mode
Byte access (8-bit)
Word access (16-bit)
Odd byte access (8-bit) L
Note:
Task File Register Access Timing Example (1)
-CE2/-CE1
D0 to D15
A0 to A10
: L or H
: L or H
- IOWR
-IORD
-REG
-REG -CE2
L
-REG -CE2
L
L
L
L
L
read cycle
H
H
H
L
L
H
H
H
L
L
-CE1
H
L
L
L
H
-CE1
H
L
L
L
H
Dout
A0
L
H
A0
L
H
HB288256/192/160/128/096/064/032C6
-IORD -IOWR -OE
L
L
L
L
-IORD -IOWR -OE
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
H
H
H
H
write cycle
-WE
H
H
H
H
-WE
H
H
H
H
D8 to D15 D0 to D7
High-Z
High-Z
High-Z
odd byte
odd byte
D8 to D15 D0 to D7
Don’t care Don’t care
Don’t care even byte
Don’t care odd byte
odd byte
odd byte
Din
High-Z
even byte
odd byte
even byte
High-Z
even byte
Don’t care
13
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