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80486GX

Part Number	80486GX
Manufacturer	Intel
Description	Embedded Ultra-Low Power Processor
Published	Jun 1, 2005
Detailed Description	EMBEDDED ULTRA-LOW POWER Intel486™ GX PROCESSOR s Ultra-Low Power Member of the Intel486™ s 16-Bit External Data Bus Pr...
Datasheet	80486GX PDF File

Overview

EMBEDDED ULTRA-LOW POWER Intel486™ GX PROCESSOR s Ultra-Low Power Member of the Intel486™ s 16-Bit External Data Bus Processor Family s — 32-Bit RISC Technology Core s — 8-Kbyte Write-Through Cache s — Four Internal Write Buffers — Burst Bus Cycles s — Data Bus Parity Generation and s Checking — Intel System Management Mode (SMM) — Boundary Scan (JTAG) 176-Lead Thin Quad Flat Pack (TQFP) Separate Voltage Supply for Core Circuitry Fast Core-Clock Restart Auto Clock Freeze Ideal for Embedded Battery-Operated and Hand-Held Applications 64-Bit Interunit Transfer Bus 32-Bit Data Bus 32-Bit Data Bus Linear Address 32 32 32 PCD PWT Core Clock Clock Control CLK Input Barrel Shifter Register File ALU Base/ Index Bus 32 Segmentation Unit Descriptor Registers Limit and Attribute PLA 2 Bus Interface Paging Unit Cache Unit 20 Physical Address 8 Kbyte Cache 32 Address Drivers Write Buffers 4 x 32 Data Bus 32 Transceivers A31-A2 BE3#- BE0# Translation Lookaside Buffer 32 D15-D0 128 Displacement Bus 32 MicroInstruction 32-Byte Code Queue 2x16 Bytes Prefetcher Bus Control Request Sequencer Burst Bus Control ADS# W/R# D/C# M/IO# PCD PWT RDY# LOCK# PLOCK# BOFF# A20M# BREQ HOLD HLDA RESET SRESET INTR NMI SMI# SMIACT# STPCLK# Control & Protection Test Unit Code Stream Instruction Decode Decoded Instruction Path 24 BRDY# BLAST# Control ROM Parity Generation and Control Cache Control Boundary Scan Control DP1-DP0, PCHK# KEN# FLUSH# AHOLD EADS# TCK TMS TDI TD0 A5851-01 Figure 1.
Embedded Ultra-Low Power Intel486™ GX Processor Block Diagram © INTEL CORPORATION, 1997 December 1997 Order Number: 272755-002 Information in this document is provided in connection with Intel products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document.
Except as provided in Intel’s Terms and Conditions of Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implie...

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