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參數(shù)資料
| 型號： | 7P128ATA1003C25 |
| 英文描述： | Flash Memory Card(128M位閃速存儲器卡) |
| 中文描述： | 閃存卡（128兆位閃速存儲器卡） |
| 文件頁數(shù)： | 12/25頁 |
| 文件大小： | 224K |
| 代理商： | 7P128ATA1003C25 |
June 2000 Rev. 5 - ECO #12901
12
PCMCIA Flash Memory Card
ATA10 Series
PC Card Products
2. Task File Register Access Specification
There are two cases of Task File register mapping, one is the mapped I/O address area, the other is
the Mapped Memory address area. Each case of the Task File register read and write operation is
executed under the following conditions. The area can be accessed by Byte/Word/Odd Byte mode
which is defined by the PC card standard specification.
(a) I/O address map
Task File Register Read Access Mode (a)
Mode
Standby Mode
Byte access
REG# CE2# CE1#
X
H
L
H
L
H
L
L
L
L
A0
X
L
H
X
X
IORD# IOWR# OE#
X
L
L
L
L
WE#
X
H
H
H
H
D15 - D8
High Z
High Z
High Z
odd byte
odd byte
D7 - D0
High Z
even byte
odd byte
even byte
High Z
H
L
L
L
H
X
H
H
H
H
X
H
H
H
H
Word access (16 bit)
Odd Byte access (8 bit
Task File Register Write Access Mode (a)
Mode
Standby Mode
Byte access
REG# CE2# CE1#
X
H
L
H
L
H
L
L
L
L
A0
X
L
H
X
X
IORD# IOWR# OE#
X
H
H
H
H
WE#
X
H
H
H
H
D15 - D8
Don't care
Don't care
Don't care
odd byte
odd byte
D7 - D0
Don't care
even byte
odd byte
even byte
Don't care
H
L
L
L
H
X
L
L
L
L
X
H
H
H
H
Word access (16 bit)
Odd Byte access (8 bit
(b) Memory address map
Task File Register Read Access Mode (b)
Mode
Standby Mode
Byte access
REG# CE2# CE1#
X
H
H
H
H
H
H
L
H
L
A0
X
L
H
X
X
IORD# IOWR# OE#
X
H
H
H
H
WE#
X
H
H
H
H
D15 - D8
High Z
High Z
High Z
odd byte
odd byte
D7 - D0
High Z
even byte
odd byte
even byte
High Z
H
L
L
L
H
X
H
H
H
H
X
L
L
L
L
Word access (16 bit)
Odd Byte access (8 bit
Task File Register Write Access Mode (b)
Mode
Standby Mode
Byte access
REG# CE2# CE1#
X
H
H
H
H
H
H
L
H
L
A0
X
L
H
X
X
IORD# IOWR# OE#
X
H
H
H
H
WE#
X
L
L
L
L
D15 - D8
Don't care
Don't care
Don't care
odd byte
odd byte
D7 - D0
Don't care
even byte
odd byte
even byte
Don't care
H
L
L
L
H
X
H
H
H
H
X
H
H
H
H
Word access (16 bit)
Odd Byte access (8 bit
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