MSM6655A-XXXGS-K データシートの表示（PDF） - Oki Electric Industry

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MSM6655A-XXXGS-K

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

TEST

RND

BUSY

OSC1

OSC2

OSC3

Address &

7

Switching

Controller

17-Bit (MSM66P54-xx)

18-Bit (MSM66P56-xx)

Multiplexer

VPP

PGM

Program Circuit

1-Mbit OTP ROM (MSM66P54-xx)

2-Mbit OTP ROM (MSM66P56-xx)

(Containing 22-Kbit Phrase Control

Table & Phrase Address Table)

8

Random

Circuit

I/O

Interface

OSC

(Ceramic/

Crystal/RC)

XT/CR

17-Bit (MSM66P54-xx)

18-Bit (MSM66P56-xx)

Address Counter

DATA

Controller

Timing Controller

RESET

VDD

GND

Melody

Generator

BEEP Tone

Generator

ADPCM

Synthesizer

PCM

Synthesizer

12

12-Bit

DAC

LPF

AOUT

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