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M82380

Part Number	M82380
Manufacturer	Intel
Description	HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS
Published	May 6, 2005
Detailed Description	M82380 HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS Y High Performance 32-Bit DMA ...
Datasheet	M82380 PDF File

Overview

M82380 HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS Y High Performance 32-Bit DMA Controller 40 Mbytes sec Maximum Data Transfer Rate at 20 MHz 8 Independently Programmable Channels 20-Source Interrupt Controller Individually Programmable Interrupt Vectors 15 External 5 Internal Interrupts M8259A Superset Four 16-Bit Programmable Interval Timers M82C54 Compatible Programmable Wait State Generator 0 to 15 Wait States Pipelined 1 to 16 Wait States Non-Pipelined DRAM Refresh Controller Y i386 TM Processor Shutdown Detect and Reset Control Software Hardware Reset High Speed CHMOS III Technology 132-Pin PGA Package and 164-Pin Quad Flat Pack (See Packaging Specification Order 231369) Y Y Y Y Y Optimized for use with the i386 TM Microprocessor Resides on Local Bus for Maximum Bus Bandwidth Available in Three Product Grades MIL-STD-883 b 55 C to a 125 C (TC) Military Temperature Only b 55 C to a 125 C (TC) Extended Temperature b 40 C to a 110 C (TC) Y Y Y The M82380 is a multi-function support peripheral that integrates system functions necessary in an i386 processor environment It has eight channels of high performance 32-bit DMA with the most efficient transfer rates possible on the i386 microprocessor bus System support peripherals integrated into the M82380 provide Interrupt Control Timers Wait State generation DRAM Refresh Control and System Reset logic The M82380’s DMA Controller can transfer data between devices of different data path widths using a single channel Each DMA channel operates independently in any of several modes Each channel has a temporary data storage register for handling non-aligned data without the need for external alignment logic 271070 – 1 M82380 Internal Block Diagram November 1992 Order Number 271070-006 M82380 M82380 HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS CONTENTS 1 0 FUNCTIONAL OVERVIEW 1 1 M82380 Architecture 1 1 1 DMA Controller 1 1 2 Progra...

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M82380 HIGH PERFORMANCE 32-BIT DMA CONTROLLER WITH INTEGRATED SYSTEM SUPPORT PERIPHERALS - Intel

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