MOS 6581

E528503

The MOS 6581 is the original SID (Sound Interface Device) chip, famous for providing the distinctive synthesizer-style audio and music capabilities of the Commodore 64 home computer.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (2)

Label Occurrences
MOS 6581 canonical 1
MOS 8580 1

Statements (48)

Predicate Object
instanceOf SID chip
integrated circuit
sound chip
addressSpaceSize 29 registers
application chiptune music
home computer audio
video game sound
architecture SID
companyParent Commodore International NERFINISHED
controlInterface memory-mapped I/O
countryOfOrigin United States of America
surface form: United States
dataBusWidth 8-bit
designer Bob Yannes NERFINISHED
discontinuationYear late 1980s
feature multi-mode analog filter
on-chip 4-bit DACs
oscillator sync
programmable ADSR envelope generators
programmable vibrato and tremolo via modulation
programmable volume control
ring modulation
two analog input pins
filterType band-pass
high-pass
low-pass
notch
introductionYear 1982
logicSupplyVoltage 5 V
manufacturer Commodore Semiconductor Group NERFINISHED
MOS Technology NERFINISHED
notableFor distinctive analog-style sound
use in Commodore 64 music
numberOfOscillators 3
numberOfVoices 3
packageType 28-pin DIP
processTechnology NMOS
successor MOS 8580 NERFINISHED
supplyVoltage 12 V
usedIn Commodore 128 NERFINISHED
Commodore 64 NERFINISHED
Commodore 64 Games System NERFINISHED
Commodore 64C early models NERFINISHED
Commodore MAX Machine NERFINISHED
Commodore SX-64 NERFINISHED
waveformType noise
pulse
sawtooth
triangle

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.
Input
Subject: MOS 6581
Description of subject: The MOS 6581 is the original SID (Sound Interface Device) chip, famous for providing the distinctive synthesizer-style audio and music capabilities of the Commodore 64 home computer.

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Commodore 64 soundChipModel MOS 6581
Commodore 64 soundChipModel MOS 6581
this entity surface form: MOS 8580