AMD-K6-2ESLASH233AMZ datasheet(17/332 Pages) AMD

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About this Data Sheet

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22529B/0—January 2000

AMD-K6™-2E Processor Data Sheet

Preliminary Information

About this Data Sheet

The AMD-K6™-2E Processor Data Sheet is the complete specification of the

AMD-K6-2E embedded processor.

Overview

This data sheet is organized into the following sections:

Chapter 1, “AMD-K6™-2E Processor” on page 1, provides a list of the AMD-K6-2E

processor’s distinguishing characteristics, a description of the key features, and a

discussion about the Super7™ platform initiative.

Chapter 2, “Internal Architecture” on page 7, describes the functional elements of the

advanced design techniques, known as the RISC86® microarchitecture, implemented

by the AMD-K6-2E processor.

Chapter 3, “Software Environment” on page 23, provides a general overview of the

AMD-K6-2E processor’s x86 software environment and briefly describes the data

types, registers, operating modes, interrupts, and instructions supported by the

AMD-K6-2E processor’s architecture and design implementation.

Chapter 4, “Logic Symbol Diagram” on page 83, contains the AMD-K6-2E processor

logic symbol diagram.

Chapter 5, “Signal Descriptions” on page 85, lists the signals and their descriptions

alphabetically and by function.

Chapter 6, “Bus Cycles” on page 133, describes and illustrates the timing and

relationship of bus signals during various types of bus cycles.

Chapter 7, “Power-On Configuration and Initialization” on page 179, describes how

the system logic resets the AMD-K6-2E processor using the RESET signal.

Chapter 8, “Cache Organization” on page 185, describes the basic architecture and

resources of the AMD-K6-2E processor’s internal caches.

Chapter 9, “Write Merge Buffer” on page 205, describes the 8-byte write merge buffer

and how merging multiple write cycles into a single write cycle ultimately increases

overall system performance.

Chapter 10, “Floating-Point and Multimedia Execution Units” on page 213, describes

the AMD-K6-2E processor’s IEEE 754-compatible and 854-compatible floating point

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