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A80486DX4

Intel
Part Number A80486DX4
Manufacturer Intel
Description Embedded Write Back Enhanced
Published Jul 25, 2006
Detailed Description www.DataSheet4U.com EMBEDDED WRITE-BACK ENHANCED IntelDX4™ PROCESSOR s Up to 100 MHz Operation s Integrated Floating-Po...
Datasheet PDF File A80486DX4 PDF File

A80486DX4
A80486DX4

Overview
www.
DataSheet4U.
com EMBEDDED WRITE-BACK ENHANCED IntelDX4™ PROCESSOR s Up to 100 MHz Operation s Integrated Floating-Point Unit s Speed-Multiplying Technology s 32-Bit RISC Technology Core s 16-Kbyte Write-Back Cache s 3.
3 V Core Operation with 5 V Tolerant s SL Technology s Data Bus Parity Generation and Checking s Boundary Scan (JTAG) s 3.
3-Volt Processor, 75 MHz, 25 MHz CLK — 208-Lead Shrink Quad Flat Pack (SQFP) s 3.
3-Volt Processor, 100 MHz, 33 MHz CLK I/O Buffers s Burst Bus Cycles s Dynamic Bus Sizing for 8- and 16-bit Data Bus Devices — 208-Lead Shrink Quad Flat Pack (SQFP) — 168-Pin Pin Grid Array (PGA) s Binary Compatible with Large Software Base 64-Bit Interunit Transfer Bus 32-Bit Data Bus 32-Bit Data Bus Linear Address CLKMUL Core Clock 32 Clock Multiplier CLK DataShee DataSheet4U.
com PCD PWT 2 Barrel Shifter Base/ Index Bus 32 Segmentation Unit Bus Interface Cache Unit 32 A31-A2 BE3#- BE0# Paging Unit 20 Register File Descriptor Registers Address Drivers Write Buffers 4 x 32 D31-D0 Physical Address ALU Limit and Attribute PLA Translation Lookaside Buffer 16 Kbyte Cache 32 32 Data Bus Transceivers 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# FERR# IGNNE# STPCLK# Displacement Bus 32 128 Request Sequencer Prefetcher MicroInstruction 32-Byte Code Queue 2 x 16 Bytes Burst Bus Control BRDY# BLAST# Floating Point Unit Control & Protection Test Unit Code Stream Bus Size Control BS16# BS8# Instruction Decode 24 Cache Control KEN# FLUSH# AHOLD EADS# CACHE# HITM# INV WB/WT# Floating Point Register File Control ROM Decoded Instruction Path Parity Generation and Control Boundary Scan Control PCHK# DP3-DP0 TCK TMS TDI TDO DataSheet4U.
com Figure 1.
Embedded Write-Back Enhanced IntelDX4™ Processor Block Diagram © INTEL CORPORATION, 2004 August 2004 A3232-01 DataSheet4U.
com Order Number: 272771-003 DataSheet 4 U .
com www.
DataSheet4U.
com I...


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