Address Generator Unit

E739764

The Address Generator Unit (AGnus) is a custom chip in the Commodore Amiga that manages memory access, DMA, and display-related tasks such as copper and blitter operations.

All labels observed (1)

Label Occurrences
Address Generator Unit canonical 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf Amiga chipset component
custom chip
integrated circuit
alsoKnownAs AGnus
linked to: Agnus

Agnus
clockSource system clock
controls audio DMA
bitplane DMA
blitter operations
copper operations
display fetches
refresh DMA
sprite DMA
designedFor Commodore Amiga
linked to: Amiga
hasComponent Blitter controller
Copper co-processor
interactsWith 68000 CPU
Denise
Paula
introducedIn 1985
locatedOn Amiga mainboard
manages direct memory access
memory access
manufacturer Commodore
partOf Commodore Amiga architecture
linked to: Amiga

Original Chip Set
primaryFunction address generation for DMA
display-related memory control
responsibleFor bus master control
memory arbitration
video timing
successorInChipset Alice
supports DMA channels
technology NMOS
usedIn Amiga 1000
Amiga 2000
Amiga 2500
Amiga 3000
Amiga 3000T
Amiga 500
linked to: Commodore Amiga 500

Amiga 500 Plus
Amiga 600
linked to: Commodore Amiga 600
usedInChipset ECS
OCS
variant Fat Agnus
Original Agnus
Super Agnus

How these facts were elicited

Referenced by (1)

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

Agnus alias Address Generator Unit