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82C814 데이터시트 PDF




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부품번호 82C814 기능
기능 Docking Station Controller Preliminary Data Book
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82C814 데이터시트, 핀배열, 회로
OPTi
®
82C814
Docking Station Controller
Preliminary Data Book
Revision: 2.0
912-2000-016
October 31, 1996




82C814 pdf, 반도체, 판매, 대치품
Preliminary
82C814
Table of Contents (cont.)
4.7 PCI Docking Station Operation .......................................................................................................15
4.7.1 Introduction...........................................................................................................................15
4.7.2 Procedure .............................................................................................................................15
4.7.3 Initial Setup...........................................................................................................................15
4.7.4 Action Upon Attachment of Dock..........................................................................................16
4.8 Status Change Service Routine ......................................................................................................17
4.8.1 Docking Event ......................................................................................................................17
4.8.2 Undocking Event ..................................................................................................................17
4.8.3 Notes on Undocking .............................................................................................................17
4.8.4 Retest ...................................................................................................................................17
4.8.5 PCI Clock Buffering ..............................................................................................................18
4.9 Interrupt Support ..............................................................................................................................18
4.9.1 PCI INTx# Implementation ...................................................................................................18
4.9.2
IRQ Driveback Logic.............................................................................................................18
4.9.2.1 Interrupt Status Return Latency ............................................................................19
4.9.2.2 End-of-Interrupt (EOI) ...........................................................................................20
4.9.2.3 EOI Handling.........................................................................................................20
4.9.3 Intel Serial IRQ Implementation............................................................................................21
4.9.3.1 Operation ..............................................................................................................21
4.9.4 Compaq Serial IRQ Implementation.....................................................................................22
4.9.4.1 Operation ..............................................................................................................22
5.0 82C814 Register Set ...................................................................................................... 23
5.1 Register State on Device Removal..................................................................................................23
5.2 Base Register Group ........................................................................................................................23
5.3 82C814-Specific Register Group .....................................................................................................31
5.3.1 IRQLATCH ...........................................................................................................................31
5.3.2 CLKRUN#.............................................................................................................................31
5.3.3 Slot Buffer Enable, Slew Rate, and Threshold Control.........................................................31
5.3.4 Dual ISA Buses ....................................................................................................................31
5.4 CardBus Register Group..................................................................................................................34
5.4.1 Power Control.......................................................................................................................34
OPTi
®
Page iv
912-2000-016
Revision: 2.0

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82C814 전자부품, 판매, 대치품
List of Figures
Preliminary
82C814
Figure 2-1
Figure 3-1
Figure 3-2
Figure 4-1
Figure 4-2
Figure 6-1
Figure 6-2
Figure 6-3
Figure 7-1
Figure A-1
Figure A-2
Figure A-3
Multiple ISA Bus Support................................................................................................................. 1
Pin Diagram..................................................................................................................................... 3
Power-Up Timing ...........................................................................................................................10
82C814 Organization.....................................................................................................................11
Worst Case IRQ Driveback Latency Example ...............................................................................19
Setup Timing Waveform ................................................................................................................50
Hold Timing Waveform ..................................................................................................................50
Output Delay Timing Waveform.....................................................................................................50
144-Pin TQFP, Thin Quad Flat Pack.............................................................................................51
IRQ Driveback Cycle High-Priority Request ..................................................................................53
Dynamic Resourcing .....................................................................................................................55
Static Resourcing ..........................................................................................................................55
912-2000-016
Revision: 2.0
OPTi
®
Page vii

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82C814

Docking Station Controller Preliminary Data Book

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