MSM6650 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM6650

Internal Mask ROM Voice Synthesis IC, Internal One-Time-Programmable (OTP) ROM Voice Synthesis IC, External ROM Drive Voice Synthesis IC

Oki Electric Industry 

A2

A1

A0

SW3

SW2

SW1

SW0

TEST1, 3

RND

CE

RCS

BUSY

NAR

IBUSY

STANDBY

XT/OSC1

XT/OSC2

OSC3

RA22

RA0

D7

D0

Address &

Switching

7

Controller

23-Bit Multiplexer

Random

Circuit

I/O

Interface

OSC

(Ceramic/

Crystal/RC)

23-Bit Address

Counter

DATA

Controller

Timing Controller

Melody

Generator

BEEP Tone

Generator

8-Bit LATCH

8

ADPCM

Synthesizer

PCM

Synthesizer

12

12-Bit

DAC

LPF

XT/CR

RESET CPU STBY TEST2 DVDD DGND

AGND AVDD AOUT

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