Ricoh 2A03
E491810
The Ricoh 2A03 is an 8-bit microprocessor derived from the MOS Technology 6502 that powered the Nintendo Entertainment System and integrated both CPU and audio functions.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
8-bit microprocessor
ⓘ
audio processing unit ⓘ microprocessor ⓘ |
| addressBusWidth | 16-bit ⓘ |
| architecture | 6502-compatible ⓘ |
| audioChannelCount | 5 ⓘ |
| audioChannelType |
DPCM channel
ⓘ
noise channel ⓘ pulse wave channel ⓘ triangle wave channel ⓘ |
| audioOutput | mono analog audio signal ⓘ |
| clockSource | NTSC master clock divided down ⓘ |
| compatibleWith | Ricoh 2A07 NERFINISHED ⓘ |
| dataWidth | 8-bit ⓘ |
| derivedFrom | MOS Technology 6502 NERFINISHED ⓘ |
| designedFor | Nintendo Entertainment System game cartridges ⓘ |
| endianess | little-endian ⓘ |
| era | 1980s ⓘ |
| family | Ricoh 2A0x NERFINISHED ⓘ |
| hasComponent |
DMA controller for sprite transfer
ⓘ
audio processing unit ⓘ interrupt controller ⓘ |
| hasRegister |
accumulator
ⓘ
index register X ⓘ index register Y ⓘ program counter ⓘ stack pointer ⓘ status register ⓘ |
| instructionSet | 6502-based instruction set ⓘ |
| integratesFunction |
CPU
NERFINISHED
ⓘ
audio processing ⓘ |
| manufacturer | Ricoh NERFINISHED ⓘ |
| market | video game hardware ⓘ |
| memoryAccess | mapped through NES memory map ⓘ |
| notableFor |
being the central processor of the NES
ⓘ
integration of CPU and APU on a single chip ⓘ |
| omitsFeature | binary-coded decimal (BCD) mode ⓘ |
| poweringSystem | NES main CPU and sound ⓘ |
| primaryUse | home video game console ⓘ |
| regionVariant | NTSC NERFINISHED ⓘ |
| similarTo | MOS Technology 6502 NERFINISHED ⓘ |
| supportsFeature |
delta modulation (DPCM) sample playback
ⓘ
hardware envelopes for pulse channels ⓘ length counters for audio channels ⓘ sweep unit for pulse channels ⓘ |
| targetPlatform | Nintendo Famicom NERFINISHED ⓘ |
| usedIn |
Famicom
NERFINISHED
ⓘ
Nintendo Entertainment System NERFINISHED ⓘ |
| usedWith | Ricoh 2C02 PPU NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.