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Research draft

microprocessor

vr.tr.microprocessor · PHY.OBJ

Let an agent explain microprocessor architecture and families, help identify and choose processors, explain performance and compatibility, and describe history and industry.

Thing Registry Physical world and living systems

Research draft, second pass

A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.

written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify

Researched by: Claude

Purpose and description

Let an agent explain microprocessor architecture and families, help identify and choose processors, explain performance and compatibility, and describe history and industry.

An integrated circuit that contains the functions of a central processing unit, executing instructions to perform computation and control, from early designs of the 1970s to modern multi-core processors, including families such as the Motorola 6800 and 68000, Intel x86, ARM, RISC-V and specialised microcontrollers like the Parallax Propeller; microprocessors are the core of computers, phones and embedded devices.

What it is for: Computing and embedded control.

It can be explain how microprocessors work; identify processor families and architectures; compare performance and features; describe history and industry.

Distinguishing features

Executes instructions

Architecture-defined

Clock and cores

Central to computing

What it looks like

Packaged chips with many pins or pads, mounted on circuit boards.

How it is recognised

CPU on a chip

Architecture families

A microcontroller integrates memory and peripherals for embedded use

Related models

is a kind of - category

processor

is a kind of - chip

integrated circuit

runs - code

subroutine

is protected by - hardware security

computer security

In practice

Families and kinds

x86 processors

ARM processors

RISC-V and other open architectures

historic processors such as the 6800 family

microcontrollers and specialised processors

Standards and regulation

Instruction set architecture specifications

Export control rules for advanced processors

Environmental rules for electronics

Failure modes and hazards

Hardware vulnerabilities

Overheating and throttling

Incompatible software and firmware

Also called

KronosParallax PropellerFreescale S08586 series integrated circuitsK1839Motorola 6800 familyAllwinner D1MediaTek Dimensity 700Samsung Exynos 3 Quad 3475Spreadtrum SC8830Elbrus-SAllwinner A20Exynos 7420Apple SiliconMCST-R150Mediatek Helio P20Allwinner A10Allwinner F10Allwinner F13Allwinner F18Allwinner A31ExynosAllwinner H3HiSilicon Kirin 970HiSilicon Kirin 980HiSilicon Kirin 960KirinMediaTek MT6750NMediaTek MT6750MediaTek MT6739MediaTek MT6580HiSilicon Kirin 710Qualcomm MSM7000 seriesExynos 9820HiSilicon Kirin 990 5GAllwinner V3Snapdragon X EliteApple S6Apple A15 BionicApple A16 Bionic

+283

Where this came from

wikidata · CC0 1.0

Drafted structure

Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.

Works How processors work.

Architecture.

Basics

Fetch, decode, execute.

Basics

Basics.

  1. How does a microprocessor execute instructions, and what are cores, caches and pipelines? definition
  2. What is an instruction set architecture? definition

Families

Architectures.

Families

Architectures.

  1. Which architecture family does this processor belong to, and how does it differ from others? provenance
  2. Which entry fits a specific processor? action
Choose Selecting a processor.

Needs and metrics.

Compare

Performance comparison.

Compare

Comparison.

  1. How do these processors compare on performance, power and features, according to benchmarks and datasheets? measurement
  2. Which suits this workload? action

Compatibility

Software and boards.

Compatibility

Compatibility.

  1. Is this processor compatible with this software, operating system or board? boundary
  2. Which firmware and drivers are needed? provenance
Security Hardware security.

Vulnerabilities.

Vulnerabilities

Known issues.

Vulnerabilities

Vulnerabilities.

  1. Which hardware vulnerabilities affect this processor, according to advisories, and which mitigations exist? provenance
  2. Is a firmware update available? provenance

Reliability

Thermal and reliability.

Reliability

Reliability.

  1. What causes overheating or throttling, and how is it managed? definition
  2. What is the expected lifetime? provenance
History Development and industry.

Context.

Evolution

History of microprocessors.

Evolution

History.

  1. How did microprocessors develop from the first designs to modern multi-core chips, according to historians of computing? provenance
  2. Which designs were milestones? provenance

Industry

Makers and supply.

Industry

Industry.

  1. Which companies design and manufacture processors, and how do export controls affect supply? provenance
  2. What are open architectures such as RISC-V? definition

What the second pass must settle

  • Should each architecture be a separate entry?
  • How should datasheets be linked?
  • How should vulnerability advisories be linked?