MSM9803 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9803

Voice Synthesis IC with Built-in Mask ROM

Oki Electric Industry 

A2

A1

A0

SW2

SW1

SW0

CPU/STD

RND

BUSY

OSC1

OSC2

OSC3/TEST

Address &

Switching

Controller

16-Bit (MSM9802)

6

17-Bit (MSM9803)

18-Bit (MSM9805)

Multiplexer

512-Kbit (MSM9802)

1-Mbit (MSM9803)

2-Mbit (MSM9805)

ROM

(Including 11 Kbits of

Edit ROM & Address ROM)

8

Random

Circuit

I/O

Interface

OSC

XT/RC

16-Bit (MSM9802)

17-Bit (MSM9803)

18-Bit (MSM9805)

Address Counter

DATA

Controller

Timing Controller

PCM

Synthesizer

10

10-Bit

DAC

&

LPF

XT/CR

RESET VDD GND

VREF AOUT

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