AM486DX2

PRELIMINARY Am486® DX2 3.3-Volt Processor High-Performance, Clock-Doubled, 32-Bit Microprocessor DISTINCTIVE CHARACTERISTICS Operating voltage range 3.3 V ± 0.3 V — 66-MHz and 80-MHz operating frequencies — Wide range of chipsets and support available through the AMD® FusionPCSM Program High Integration On-Chip — 8-Kbyte code and data cache — Floating-point unit — Paged, virtual memory management High-Performance Design — — — — — Frequent instructions execute in one clock 105.6-million bytes/second burst bus at 33 MHz 128-million bytes/second burst bus at 40 MHz Advanced submicron CMOS technology Dynamic bus sizing for 8-, 16-, and 32-bit buses Complete 32-Bit Architecture — Address and data buses — All registers — 8-, 16-, and 32-bit data types Multiprocessor Support — Multiprocessor instructions — Cache consistency protocols — Support for second-level cache Standard 168-pin PGA Package Advanced Micro Devices Environmental Protection Agency's “Energy Star” program compliant — Energy management capability provides an excellent base for energy-efficient design — Works with a variety of energy-efficient, power-managed devices GENERAL DESCRIPTION The Am486DX2 processor operates with a 1x clock input. This 1x clock simplifies system design by reducing the clock frequency required by external devices. The m o c . u 4 t e e h s a t a .d w w w This document contains information on a product under development at Advanced Micro Devices. The information is intended to help you e...