80386DX - 32-Bit Microprocessor

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

• 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.