參數(shù)資料
型號： 7P640ATA2503C25
英文描述： Flash Memory Card(640M位閃速存儲器卡)
中文描述： 閃存卡（640M的位閃速存儲器卡）
文件頁數(shù)： 11/62頁
文件大小： 626K
代理商： 7P640ATA2503C25
7PxxxATA25xxC25
June 2000 Rev. 1 – ECO #12936
11
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(guān)PDF資料
PDF描述
7P1G0ATA2514C25 Flash Memory Card(1024M位閃速存儲器卡)
7S PNP 500 mA, 50 V resistor-equipped transistors R1 = 2.2 kW, R2 = 2.2 kW
9-1393222-4 SCHALTERPLATTENRELAIS 12V
2-1393185-8 SCHALTERPLATTENRELAIS PCB SPCO 12VDC
2-1393185-9 SCHALTERPLATTENRELAIS PCB SPCO 24VDC
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