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PCI950 Datasheet

  • PCI950

  • IRQSER DESERIALIZER

  • 158.79KB

  • 11頁(yè)

  • TI

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PCI950
IRQSER DESERIALIZER
SCPS015A 鈥?JULY 1997 鈥?REVISED JANUARY 1998
D
5-V Core Logic With PCI Interface
D
Supports PCI Clock Frequencies up to
D
D
D
33 MHz
Accepts IRQSER Serial Interrupt Stream
Input From TI錚?PC Card Controllers
Provides System Access to All 15 ISA-Style
IRQs and 4 PCI-Style Interrupts
Offered in 48-Pin TQFP Package
IRQ15
IRQ3
VCC
GND
IRQ14
IRQ13
NC
IRQ8
NC
VCC
IRQ12
IRQ11
36 35 34 33 32 31 30 29 28 27 26 25
37
24
38
23
39
22
40
21
41
20
42
19
43
18
44
17
45
16
46
15
47
14
48
13
1 2 3 4 5 6 7 8 9 10 11 12
RSTIN
SHUTD
CLKRUN
VCC
POLLMODE
NC
GND
STOP
PCLK
GND
NC
ACTIVE
IRQSER
IRQ0
IRQ1
IRQ2/SMI
VCC
NC
INTD
INTC
INTB
INTA
GND
DRIVEMODE
description
The PCI950 is an IRQSER interrupt deserializer that interfaces with existing and future TI PC Card controllers.
The PCI950 accepts the IRQSER output of a TI PC Card controller and converts it to 16 ISA-style interrupts
and 4 PCI-style interrupts. Interfacing the PC Card controller with the PCI950 permits system access of all
available interrupts and features of the PC Card controller.
functional block diagram
PCLK
RSTIN
CLKRUN
IRQSER
POLLMODE
SHUTD
STOP
DRIVEMODE
PCI950
16
4
IRQ15鈥?
INTA鈥揇
ACTIVE
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
TI is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
IRQ10
IRQ9
IRQ7
IRQ6
GND
VCC
NC
NC
IRQ5
NC
NC
IRQ4
Copyright
錚?/div>
1998, Texas Instruments Incorporated
1

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