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THNCFXXXBAI Datasheet(PDF) 10 Page - Toshiba Semiconductor

Part No. THNCFXXXBAI
Description  The THNCFxxxMBA/BAI series CompactFlash card is a flash technology based with ATA interface flash memory card.
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Maker  TOSHIBA [Toshiba Semiconductor]
Homepage  http://www.semicon.toshiba.co.jp/eng
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THNCFXXXBAI Datasheet(HTML) 10 Page - Toshiba Semiconductor

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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
H
X
X
X
High-Z
High-Z
L
H
L
L
L
H
High-Z
even byte
Byte access (8bit)
L
H
L
H
L
H
High-Z
invalid
Word access (16bit)
L
L
L
X
L
H
invalid
even byte
Odd byte access (8bit)
L
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
H
X
X
X
Don’t care
Don’t care
L
H
L
L
H
L
Don’t care
even byte
Byte access (8bit)
L
H
L
H
H
L
Don’t care
Don’t care
Word access (16bit)
L
L
L
X
H
L
Don’t care
even byte
Odd byte access (8bit)
L
L
H
X
H
L
Don’t care
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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