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80386DX - 32-Bit Microprocessor

Description

Table 2 BASE ARCHITECTURE 2 1 Introduction 2 2 Register Overview 2 3 Register Descriptions 2 4 Instruction Set 2 5 Addressing Modes 2 6 Data Types 2 7 Memory Organization 2 8 I O Space 2 9 Interrupts 2 10 Reset and Initialization 2 11 Testability 2 12 Debugging Support 3 REAL MODE ARCHITECTURE 3 1 R

Features

  • Testability features include a self-test and direct access to the page translation cache Four new breakpoint registers provide breakpoint traps on code execution or data accesses for powerful debugging of even ROM-based systems Object-code compatibility with all 8086 family members (8086 8088 80186 80188 80286) means the Intel386 DX offers immediate access to the world’s largest microprocessor software base Intel386TM DX Pipelined 32-Bit Microarchitecture Intel386TM DX and Intel387TM DX are Tra.

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Datasheet Details

Part number 80386DX
Manufacturer Intel
File Size 1.52 MB
Description 32-Bit Microprocessor
Datasheet download datasheet 80386DX Datasheet
Additional preview pages of the 80386DX datasheet.

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Full PDF Text Transcription

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Intel386TM DX MICROPROCESSOR 32-BIT CHMOS MICROPROCESSOR WITH INTEGRATED MEMORY MANAGEMENT Y Flexible 32-Bit Microprocessor 8 16 32-Bit Data Types 8 General Purpose 32-Bit Registers Y Very Large Address Space 4 Gigabyte Physical 64 Terabyte Virtual 4 Gigabyte Maximum Segment Size Y Integrated Memory Management Unit Virtual Memory Support Optional On-Chip Paging 4 Levels of Protection Fully Compatible with 80286 Y Object Code Compatible with All 8086 Family Microprocessors Y Virtual 8086 Mode Allows Running of 8086 Software in a Protected and Paged System Y Hardware Debugging Support Y Optimized for System Performance Pipelined Instruction Execution On-Chip Address Translation Caches 20 25 and 33 MHz Clock 40 50 and 66 Megabytes Sec Bus Bandwidth Y Numerics Support via Intel387TM DX Math
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