参数资料
型号: THNCF256MBAI
厂商: 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卡是闪存技术,ATA接口的闪存卡的。
文件页数: 2/48页
文件大小: 526K
代理商: THNCF256MBAI
THNCFxxxMBA/BAI Series
2002-10-20
10/48
Preliminary
Access Specifications
1.
Attribute access specifications
When CIS-ROM region or Configuration register region is accessed, read and write operations are executed
under the condition of –REG=”L” as follows. That region can be accessed by Byte/World/Old-byte modes, which
are defined by PC card standard specifications.
Attribute Read Access Mode
Mode
REG
CE2
CE1
A0
OE
WE
D8 to D15
D0 to D7
Standby mode
X
H
X
High-Z
L
H
L
H
High-Z
even byte
Byte access (8bit)
L
H
L
H
L
H
High-Z
invalid
Word access (16bit)
L
X
L
H
invalid
even byte
Odd byte access (8bit)
L
H
X
L
H
invalid
High-Z
Note:
X
L or H
Attribute Write Access Mode
Mode
REG
CE2
CE1
A0
OE
WE
D8 to D15
D0 to D7
Standby mode
X
H
X
Don’t care
L
H
L
H
L
Don’t care
even byte
Byte access (8bit)
L
H
L
H
L
Don’t care
Word access (16bit)
L
X
H
L
Don’t care
even byte
Odd byte access (8bit)
L
H
X
H
L
Don’t care
Note:
X
L or H
Write CIS-ROM region is invalid.
Attribute Write Timing Example
CE2/CE1
WE
OE
D0~D15
REG
A0~A10
Dout
Din
Read cycle
Write cycle
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