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82C465MVB Schematic ( PDF Datasheet ) - OPTi

Teilenummer 82C465MVB
Beschreibung Single Chip Mixed Voltage Notebook Solution
Hersteller OPTi
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Gesamt 70 Seiten
82C465MVB Datasheet, Funktion
OPTi
®
www.DataSheet4U.com
82C465MV/MVA/MVB
Single-Chip Mixed Voltage
Notebook Solution
Data Book
Revision: 3.0
912-3000-016
October, 1997






82C465MVB Datasheet, Funktion
82C465MV/MVA/MVB
Table of Contents (cont.)
4.6 Peripheral Interface Logic................................................................................................................71
4.6.1
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ISA Bus Logic .......................................................................................................................71
4.6.1.1 Hardware Considerations .....................................................................................71
4.6.1.2 ISA Write Cycle Inhibition .....................................................................................72
4.6.1.3 ISA Bus Clock Options..........................................................................................73
4.6.1.4 ISA Bus Refresh Control.......................................................................................73
4.6.1.5 Programming ........................................................................................................74
4.6.1.6 ISA Bus Address Buffer Enable Signal .................................................................75
4.6.1.7 Docking Station Attachment Feature ....................................................................75
4.6.2 Programmed Hardware Reset..............................................................................................76
4.6.3
Integrated Peripheral Controller ...........................................................................................76
4.6.3.1 Multiplexor Hardware Considerations ...................................................................76
4.6.3.2 DMA Hardware Considerations ............................................................................76
4.6.3.3 IPC Configuration Programming ...........................................................................77
4.6.3.4 Interrupt Controller Register Programming ...........................................................77
4.6.3.5 DMA Controller Programming Registers...............................................................81
4.6.3.6 Determining DMA Status Before Suspend............................................................84
4.6.3.7 DMA Register Read Back Provisions ...................................................................85
4.6.3.8 LDEV# Sense Control...........................................................................................86
4.6.3.9 Type F DMA Support ............................................................................................86
4.6.3.10 Timer Programming Registers ..............................................................................87
4.6.3.11 Writing/Reading I/O Port 070h ..............................................................................88
4.6.3.12 Additional Floppy Support.....................................................................................89
4.6.3.13 IRQ8 Polarity.........................................................................................................89
4.6.4
Integrated Local-Bus Enhanced IDE Interface .....................................................................90
4.6.4.1 Hardware Considerations .....................................................................................90
4.6.4.2 Performance and Power .......................................................................................91
4.6.4.3 Signal Connection.................................................................................................91
4.6.4.4 DBE (TRIS) Polarity ..............................................................................................91
4.6.4.5 Programming ........................................................................................................91
4.6.4.6 Four-Drive IDE Support ........................................................................................96
4.6.5
Compact ISA Interface .........................................................................................................98
4.6.5.1 CISA Stop Clock Cycle Generation ......................................................................99
4.6.5.2 Configuration Cycle Generation ............................................................................99
OPTi
®
Page vi
912-3000-016
Revision: 3.0

6 Page









82C465MVB pdf, datenblatt
82C465MV/MVA/MVB
Table of Contents (cont.)
www.DataSheet4U.com
OPTi
®
Page xii
912-3000-016
Revision: 3.0

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