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參數(shù)資料
| 型號(hào)： | VT83C469 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | PCMCIA Socket Controller |
| 中文描述： | PCMCIA插槽控制器 |
| 文件頁數(shù)： | 14/36頁 |
| 文件大?。?/td> | 156K |
| 代理商： | VT83C469 |
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VIA Technologies, Inc.
Preliminary
VT83C469
14
Card Status Change Interrupt Configuration Register ( Read/Write )
Address
: Index ( Base + 05h )
B
IT
F
UNCTION
D[7:4]
Interrupt Steering for the Card Status Change Interrupt.
These bits select the redirection of the card status change interrupt if the interrupt is not select to
the output on the INTR# pin.
Card Detect Enable.
0: Disables the generation of a card status change interrupt when the card detect signals changed.
1: Enables a card status change interrupt when a change has been detected on CD2# or CD1#.
Ready Enable ( Memory Card Only ).
0: Disables the generation of a card status change interrupt when a low to high transition has been
detected on the RDY/BSY# signal.
1: Enables a card status change interrupt when a low to high transition has been detected on the
RDY/BSY# pin.
Battery Warning Enable ( Memory Card Only ).
0: Disables the generation of a card status change interrupt when a battery warning condition has
been detected.
1: Enables a card status change interrupt when a battery warning condition has been detected.
Battery Dead Enable ( STSCHG# ).
0: Disables the generation of a card status change interrupt when a battery dead condition has
been detected. ( Memory PC Cards used ). For I/O PC Cards, bit is ignored when a Ring
Indicate Enable bit is set one.
1: For memory PC Cards, enables a card status change interrupt when a battery dead condition
has been detected.
For I/O PC Cards, enables the VT83C469 to generate a card status change interrupt if the
STSCHG# signal has been pulled low by the I/O PC Card, assuming that the Ring Indicate
Enable bit is set zero.
D3
D2
D1
D0
INTR
E
NABLE
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
IRQ
BIT
3
IRQ
BIT
2
IRQ
BIT
1
IRQ
BIT
0
I
NTERRUPT
R
EQUEST
L
EVEL
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
x
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
x
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
x
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
x
IRQ not select
Reserved
Reserved
IRQ3 enable
IRQ4 enable
IRQ5 enable
Reserved
IRQ7 enable
Reserved
IRQ9 enable
IRQ10 enable
IRQ11 enable
IRQ12 enable
Reserved
IRQ14 enable
IRQ15 enable
Card Status Change Interrupt on INTR#
Address Window Enable Register ( Read/Write )
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