INTEL386SX Datasheet, PDF (2/102 Pages) Intel Corporation – MICROPROCESSOR

Intel386^TM SX MICROPROCESSOR
Intel386^TM SX MicroProcessor
CONTENTS
1 0 PIN DESCRIPTION
2 0 BASE ARCHITECTURE
2 1 Register Set
2 2 Instruction Set
2 3 Memory Organization
2 4 Addressing Modes
2 5 Data Types
2 6 I O Space
2 7 Interrupts and Exceptions
2 8 Reset and Initialization
2 9 Testability
2 10 Debugging Support
3 0 REAL MODE ARCHITECTURE
3 1 Memory Addressing
3 2 Reserved Locations
3 3 Interrupts
3 4 Shutdown and Halt
3 5 LOCK Operations
4 0 PROTECTED MODE
ARCHITECTURE
4 1 Addressing Mechanism
4 2 Segmentation
4 3 Protection
4 4 Paging
4 5 Virtual 8086 Environment
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CONTENTS
PAGE
5 0 FUNCTIONAL DATA
39
5 1 Signal Description Overview
39
5 2 Bus Transfer Mechanism
45
5 3 Memory and I O Spaces
45
5 4 Bus Functional Description
45
5 5 Self-test Signature
63
5 6 Component and Revision
Identifiers
63
5 7 Coprocessor Interfacing
63
6 0 PACKAGE THERMAL
SPECIFICATIONS
64
7 0 ELECTRICAL SPECIFICATIONS
64
7 1 Power and Grounding
64
7 2 Maximum Ratings
65
7 3 D C Specifications
66
7 4 A C Specifications
68
7 5 Designing for ICE^TM-Intel386 SX
Emulator
78
8 0 DIFFERENCES BETWEEN THE
Intel386^TM SX CPU and the
Intel386^TM DX CPU
79
9 0 INSTRUCTION SET
80
9 1 Intel386^TM SX CPU Instruction
Encoding and Clock Count Summary 80
9 2 Instruction Encoding
95
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