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Commodore bus: History, Description and history & Host implementation

The Commodore serial bus (IEC Bus), is Commodore's interface for primarily magnetic disk data storage and printers for Commodore 8-bit home computers: VIC-20, Commodore 64, Commodore 128, Plus/4, Commodore 16, and Commodore 65.

Language: English [EN]
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Commodore bus topic overview

The analysis highlights History, Description and history and Host implementation as prominent areas in the source structure around Commodore bus.

Related topics
23
Source areas
4
Connected nodes
27
Extracted relationships
25
Concept neighborhoods
16
Bridge connections
27

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 11 topics
Host implementation · 5 topics
Protocol description · 4 topics
Description and history · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Bitrate
3.2–41.6 kbit/s
Connector
DIN connector
Daisy chain
Yes, up to 31 devices
Data signal
Yes
Designed
1980; 46 years ago (1980)
Designer
Commodore International

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Description and history

Protocol description

Host implementation

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Commodore bus connects Entity context

The extracted context around Commodore bus shows recurring relationship patterns in the source. For example, Commodore bus → Commodore, Device Another extracted example is Commodore bus → 3.2–41.6 kbit/s. Use these groups to spot repeated connection types before inspecting the individual relationships.

Commodore bus

Top relations

related to Device numbering · 2
Commodore bus → Commodore, Device
Bitrate · 1
Commodore bus → 3.2–41.6 kbit/s
Connector · 1
Commodore bus → DIN connector
Daisy chain · 1
Commodore bus → Yes, up to 31 devices
Data signal · 1
Commodore bus → Yes
Designed · 1
Commodore bus → 1980; 46 years ago (1980)
Designer · 1
Commodore bus → Commodore International
External · 1
Commodore bus → Yes
Hot pluggable · 1
Commodore bus → No
Length · 1
Commodore bus → 1.8 meters maximum

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

line data true device commodore bus false clock talker host listener atn set 64 devices μs serial number signal interface

Commodore bus relationships Subject–Predicate–Object triples

TTTA extracted 25 structured relationships around Commodore bus. Examples in this analysis include Commodore bus → Bitrate → 3.2–41.6 kbit/s and Commodore bus → Connector → DIN connector. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Commodore busBitrate3.2–41.6 kbit/s1.00infobox
Commodore busConnectorDIN connector1.00infobox
Commodore busDaisy chainYes, up to 31 devices1.00infobox
Commodore busData signalYes1.00infobox
Commodore busDesigned1980; 46 years ago (1980)1.00infobox
Commodore busDesignerCommodore International1.00infobox
Commodore busExternalYes1.00infobox
Commodore busHot pluggableNo1.00infobox
Commodore busLength1.8 meters maximum1.00infobox
Commodore busManufacturerVarious1.00infobox
Commodore busMax. current3.2 mA1.00infobox
Commodore busMax. voltage5 V1.00infobox
Commodore busPin 1SRQ1.00infobox
Commodore busPin 2GND1.00infobox
Commodore busPin 3ATN1.00infobox
Commodore busPin 4CLK1.00infobox
Commodore busPin 5DATA1.00infobox
Commodore busPin 6RESET1.00infobox
Commodore busPins61.00infobox
Commodore busProduced1980–present1.00infobox
Commodore busProtocolSerial1.00infobox
Commodore busSignalOpen collector 5 V1.00infobox
Commodore busTypePeripheral bus1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Commodore bus bring nearby vocabulary together. In this analysis, examples include Floppy, Interface and Bus. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Commodore bus
    • Floppy
    • Interface
    • Bus
    • Commodore
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
  • commodore bus
    • Floppy
    • Interface
    • Bus
    • Commodore
    • Collector
    • Vic-20
    • Iec
    • Serial
    • Open
    • Data
    • Device
    • Protocol
  • magnetic disk data storage
    • Line
    • True
    • False
    • Listener
    • Clock
    • Μs
    • Device
    • Atn
    • Host
    • Talker
    • Transmission
    • Holding
  • commodore
    • Floppy
    • Interface
    • Bus
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
    • External
  • commodore 64
    • Floppy
    • Interface
    • Bus
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
    • External
  • commodore 128
    • Floppy
    • Interface
    • Bus
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
    • External
  • commodore 16
    • Floppy
    • Interface
    • Bus
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
    • External
  • commodore 65
    • Floppy
    • Interface
    • Bus
    • Vic-20
    • Serial
    • Data
    • Device
    • Protocol
    • Computer
    • Iec
    • Number
    • External

Connections between topic areas Semantic bridges

For Commodore bus, one of the stronger structural bridges in this analysis connects Commodore bus with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Commodore busOverview · splits 16 ⟂ 12
Commodore busHost implementation · splits 22 ⟂ 6
Commodore busProtocol description · splits 23 ⟂ 5
Commodore busDescription and history · splits 24 ⟂ 4

Map overview Semantic statistics

Commodore bus

Nodes28
Edges27
Triples25
Avg. degree1.93
Density0.071429
Components1

Source & methodology

TTTA analyzes the structure around Commodore bus to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Description and history & Host implementation, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Commodore bus · EN edition · Analysis: TopicsToTalkAbout

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