M82380 Просмотр технического описания (PDF) - Intel
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M82380 Datasheet PDF : 134 Pages
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CONTENTS
3 0 DMA CONTROLLER (Continued)
3 5 DMA Controller Register Overview
3 5 1 Control Status Registers
3 5 2 Channel Registers
3 5 3 Temporary Registers
3 6 DMA Controller Programming
3 6 1 Buffer Processes
3 6 2 Data Transfer Modes
3 6 3 Cascaded Bus Masters
3 6 4 Software Commands
3 7 Register Definitions
4 0 PROGRAMMABLE INTERRUPT CONTROLLER
4 1 Functional Description
4 1 1 Internal Block Diagram
4 1 2 Interrupt Controller Banks
4 2 Interface Signals
4 2 1 Interrupt Inputs
4 2 2 Interrupt Output (INT)
4 3 Bus Functional Description
4 4 Mode of Operation
4 4 1 End-Of-Interrupt
4 4 2 Interrupt Priorities
4 4 3 Interrupt Masking
4 4 4 Edge Or Level Interrupt Triggering
4 4 5 Interrupt Cascading
4 4 6 Reading Interrupt Status
4 5 Register Set Overview
4 5 1 Initialization Command Words (ICW)
4 5 2 Operation Control Words (OCW)
4 5 3 Poll Interrupt Request In-Service Status Register
4 5 4 Interrupt Mask Register (IMR)
4 5 5 Vector Register (VR)
4 6 Programming
4 6 1 Initialization (ICW)
4 6 2 Vector Registers (VR)
4 6 3 Operation Control Words (OCW)
4 7 Register Bit Definition
4 8 Register Operational Summary
M82380
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