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參數(shù)資料
| 型號(hào)： | UM_S3C49F9X |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | S3C49F9X User’s Manual |
| 中文描述： | S3C49F9X用戶(hù)手冊(cè) |
| 文件頁(yè)數(shù)： | 38/74頁(yè) |
| 文件大?。?/td> | 653K |
| 代理商： | UM_S3C49F9X |
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S3C49F9X SOLID DISK CONTROLLER CARD CONFIGURATION
37
4.8 IDE Mode I/O Transfer Function
4.8.1 IDE I/O Function
The PC Card can be configured in a True IDE Mode of operation. The PC Card is configured in this mode
only when the -OE input signal is grounded 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.
Note:
Removing and reinserting the PC Card while the host computer's power is on will reconfigure
the PC Card to PC Card ATA mode from the original True IDE Mode. To configure the PC Card in True
IDE Mode, the 50-pin socket must be power cycled with the PC Card inserted and -OE (output enable)
asserted. The following table defines the function of the operations for the True IDE Mode.
Table 4-8 IDE Mode I/O Function
Function Mode
-CE2 -CE1
A0
×
×
1-7h
-IORD
×
×
H
-IOWR
×
×
L
D15-D8
D7-D0
Invalid Mode
L
L
High Z
High Z
Standby Mode
H
H
High Z
High Z
Task File Write
H
L
Don't Care
Data In
Task File Read
H
L
1-7h
L
H
High Z
Data Out
Data Register Write
H
L
0
H
L
Odd Byte in
Even Byte in
Data Register Read
H
L
0
L
H
Odd Byte out
Even Byte out
Control Register Write
L
H
6h
H
L
Don't Care
Control In
All Status Read
L
H
6h
L
H
High Z
Status Out
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