THNCF256MDGI Toshiba, THNCF256MDGI Datasheet - Page 10

• Manufacturer Part Number: THNCF256MDGI
• Description: MEMORY CARD COMPACT FLASH 256MB
• Manufacturer: Toshiba

Specifications of THNCF256MDGI

• Memory Size: 256MB
• Memory Type: CompactFLASH
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.
• (1) I/O address map
• Task File Register Write Access Mode (1)
• Task File Register Access Timing Example (1)
−CE2/−CE1
Note:
Note:
Task File Register Read Access Mode (1)
Task File register access specifications
Standby mode
Byte access (8bit)
Word access (16bit)
Odd byte access (8bit)
Standby mode
Byte access (8bit)
Word access (16bit)
Odd byte access (8bit)
Memory address area.
condition as follows. That area can be accessed by Byte/World/Odd Byte modes, which are defined by PC card
standard specifications.
D0~D15
A0~A10
There are two cases of Task File register mapping, one is mapped I/O address area, the other is mapped
−IOWR
−IORD
−REG
X → L or H
X → L or H
Mode
Mode
−REG
−REG
X
L
L
L
L
X
L
L
L
L
Each case of Task File registers read and write operations is executed under the
Read cycle
−CE2
−CE2
H
H
H
H
H
H
L
L
L
L
−CE1
−CE1
Dout
H
H
H
H
L
L
L
L
L
L
TENTATIVE
A0
A0
X
H
X
X
X
H
X
X
L
L
−IORD
−IORD
H
H
H
H
X
L
L
L
L
X
−IOWR
−IOWR
X
H
H
H
H
X
L
L
L
L
−OE
−OE
X
H
H
H
H
X
H
H
H
H
THNCFxxxxDGI Series
Write cycle
−WE
−WE
H
H
H
H
H
H
H
H
X
X
2004-5-18 10/47
D8 to D15
Don’t care Don’t care
Don’t care even byte
Don’t care
D8 to D15
odd byte
odd byte
odd byte
odd byte
High-Z
High-Z
High-Z
Din
Don’t care
even byte
even byte
even byte
D0 to D7
D0 to D7
odd byte
odd byte
High-Z
High-Z