參數(shù)資料
型號(hào): THNCF512MBAI
廠商: Toshiba Corporation
英文描述: The THNCFxxxMBA/BAI series CompactFlash card is a flash technology based with ATA interface flash memory card.
中文描述: 在THNCFxxxMBA /白系列CF卡是閃存技術(shù),ATA接口的閃存卡的。
文件頁數(shù): 11/48頁
文件大?。?/td> 526K
代理商: THNCF512MBAI
THNCFxxxMBA/BAI Series
2002-10-20 11/48
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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