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Teilenummer | 82C465MVB |
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Beschreibung | Single Chip Mixed Voltage Notebook Solution | |
Hersteller | OPTi | |
Logo | ||
Gesamt 70 Seiten OPTi
®
www.DataSheet4U.com
82C465MV/MVA/MVB
Single-Chip Mixed Voltage
Notebook Solution
Data Book
Revision: 3.0
912-3000-016
October, 1997
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
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Page vi
912-3000-016
Revision: 3.0
6 Page 82C465MV/MVA/MVB
Table of Contents (cont.)
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OPTi
®
Page xii
912-3000-016
Revision: 3.0
12 Page | ||
Seiten | Gesamt 70 Seiten | |
PDF Download | [ 82C465MVB Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
82C465MV | Single Chip Mixed Voltage Notebook Solution | OPTi |
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