參數(shù)資料
型號: 7P048ATA2003C25
英文描述: Flash Memory Card(48M位閃速存儲器卡)
中文描述: 閃存卡(4800位閃速存儲器卡)
文件頁數(shù): 12/66頁
文件大?。?/td> 585K
代理商: 7P048ATA2003C25
7PxxxATA20xxC25
June 2000 Rev. 5 – ECO #12935
12
White Electronic Designs Corporation
(508) 366-5151
3. True IDE Mode
The card can be configured in a True IDE Mode of operation. This card is configured in this mode only when the -OE
input signal is asserted low by the host during the power off to power on cycle. In this True IDE Mode the PCMCIA
protocol and configuration are disabled and only I/O operations to the Task File and Data Register are allowed. In this
mode no Memory or Attribute Registers are accessible to the host. The card permits 8 bit access if the user issues a
Set Feature Command to put the device in the 8 bit Mode.
True IDE Mode Read I/O Function
Mode
-CE2
-CE1
A0 to A2
-IORD
-IOWR
D8 to D15
D0 to D7
Invalid mode
L
L
×
×
×
×
×
×
High-Z
High-Z
Standby mode
H
H
High-Z
High-Z
Data register access
H
L
0
L
H
odd byte
even byte
All status access
L
H
6H
L
H
High-Z
status out
Other task file access
Note:
×
: L or H
H
L
1-7H
L
H
High-Z
data
True IDE Mode Write I/O Function
Mode
-CE2
-CE1
A0 to A2
-IORD
-IOWR
D8 to D15
D0 to D7
Invalid mode
L
L
×
×
×
×
×
×
don’t care
don’t care
Standby mode
H
H
don’t care
don’t care
Data register access
H
L
0
H
L
odd byte
even byte
Control register access
L
H
6H
H
L
don’t care
control in
Other task file access
Note:
×
: L or H
H
L
1-7H
H
L
don’t care
data
True IDE Mode I/O Access Timing Example
A0 to A2
-CE
-IORD
-IOWR
-IOIS16
D0 to D15
Dout
read cycle
write cycle
Din
相關PDF資料
PDF描述
7P080ATA2003C25 Flash Memory Card(80M位閃速存儲器卡)
7P096ATA2003C25 Flash Memory Card(96M位閃速存儲器卡)
7P112ATA2003C25 Flash Memory Card(112M位閃速存儲器卡)
7P128ATA2003C25 Flash Memory Card(128M位閃速存儲器卡)
7P160ATA2003C25 Flash Memory Card(160M位閃速存儲器卡)
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