參數(shù)資料
型號(hào): THNCF768MMA
廠商: Toshiba Corporation
英文描述: The THNCFxxxxMA series CompactFlash card is a flash technology based with ATA interface flash memory card
中文描述: 該THNCFxxxxMA系列CF卡是閃存技術(shù),ATA接口卡的閃存
文件頁(yè)數(shù): 11/47頁(yè)
文件大?。?/td> 501K
代理商: THNCF768MMA
THNCFxxxxMA Series
2002-10-20 11/47
Preliminary
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 registers read and write operations is executed under the
condition as follows. That area can be accessed by Byte/World/Odd Byte modes, which are defined by PC card
standard specifications.
(1) I/O address map
Task File Register Read Access Mode (1)
Mode
REG
CE2
CE1
A0
IORD
IOWR
OE
WE
D8 to D15
D0 to D7
Standby mode
X
H
H
X
X
X
X
X
High-Z
High-Z
L
H
L
L
L
H
H
H
High-Z
even byte
Byte access (8bit)
L
H
L
H
L
H
H
H
High-Z
odd byte
Word access (16bit)
L
L
L
X
L
H
H
H
odd byte
even byte
Odd byte access (8bit)
L
L
H
X
L
H
H
H
odd byte
High-Z
Note:
X
L or H
Task File Register Write Access Mode (1)
Mode
REG
CE2
CE1
A0
IORD
IOWR
OE
WE
D8 to D15
D0 to D7
Standby mode
X
H
H
X
X
X
X
X
Don
t care Don
t care
L
H
L
L
H
L
H
H
Don
t care
even byte
Byte access (8bit)
L
H
L
H
H
L
H
H
Don
t care
odd byte
Word access (16bit)
L
L
L
X
H
L
H
H
odd byte
even byte
Odd byte access (8bit)
L
L
H
X
H
L
H
H
odd byte
Don
t care
Note:
X
L or H
Task File Register Access Timing Example (1)
CE2/
CE1
IOWR
IORD
D0~D15
REG
A0~A10
Dout
Din
Read cycle
Write cycle
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