RICOH 2A03 SIMULATOR

RP2A03G 1.79 MHz 52 PINS

AUDIO CHANNELS

PULSE 1

DUTY

FREQ 440 Hz

VOL

PULSE 2

DUTY

FREQ 554 Hz

VOL

TRIANGLE

FREQ 110 Hz

VOL

NOISE

PERIOD 8

VOL

DMC

DELTA MODULATION

SAMPLE: NONE

OSCILLOSCOPE

PRESET SOUNDS

PPU OUTPUT

256×240 NTSC

KEYBOARD MODE (A-L)

A
C4

S
D4

D
E4

F
F4

G
G4

H
A4

J
B4

K
C5

L
D5

★ The 2A03 was a modified MOS 6502 without decimal mode ★ Clock speed: 1.789773 MHz (NTSC) / 1.662607 MHz (PAL) ★ Used in over 60 million NES consoles worldwide ★ Designed by Ricoh in collaboration with Nintendo ★ 5 audio channels: 2 pulse, 1 triangle, 1 noise, 1 DMC ★ The triangle wave channel had no volume control ★