thncf032mbai TOSHIBA Semiconductor CORPORATION, thncf032mbai Datasheet - Page 13

• Manufacturer Part Number: thncf032mbai
• Description: Thncfxxxmba/bai Series Compactflash Card Flash Technology Based With Interface Flash Memory Card.
• Manufacturer: TOSHIBA Semiconductor CORPORATION

3.
• True IDE Mode Read I/O Function
• True IDE Mode Write I/O Function
• True IDE Mode I/O Access Timing Example
Note:
Note:
True IDE Mode
Invalid mode
Standby mode
Data register access
Alternate status access
Other task file access
Invalid mode
Standby mode
Data register access
Control register access
Other task file access
is asserted GND by the host. In this True IDE mode Attribute Registers are not accessible from the host.
Only I/O operation to the task file and data register is allowed. If this card is configured during power on
sequence, data register is accessed in word (16-bit). The card permits 8-bit accessed if the user issues a Set
Feature Command to put the device in 8-bit mode.
−IOIS16
D0~D15
The card can be configured in a True IDE This card is configured in this mode only when the-OE input signal
−IOWR
A0~A2
−IORD
−CE
X → L or H
X → L or H
Mode
Mode
Read cycle
−CE2
−CE2
H
H
H
L
L
H
H
H
L
L
Dout
−CE1
−CE1
Preliminary
H
H
H
H
L
L
L
L
L
L
A0~A2
A0~A2
1~7H
1~7H
6H
6H
X
X
0
X
X
0
−IORD
−IORD
X
X
X
X
H
H
H
L
L
L
THNCFxxxMBA/BAI Series
−IOWR
−IOWR
X
X
H
H
H
X
X
L
L
L
Write cycle
2002-10-20 13/48
Don’t care
Don’t care
Don’t care
D8 to D15
D8 to D15
odd byte
odd byte
odd byte
High-Z
High-Z
High-Z
High-Z
Din
Don’t care
Don’t care
Status out
even byte
even byte
Control in
D0 to D7
D0 to D7
High-Z
High-Z
Data
Data