MSM9805 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9805

Voice Synthesis IC with Built-in Mask ROM

Oki Electric Industry 

¡ Semiconductor

MSM9802/03/05-xxx

CONTENTS

(1) Stand-alone Mode

BLOCK DIAGRAM ............................................................................................................................. 3

PIN CONFIGURATION ..................................................................................................................... 4

PIN DESCRIPTIONS ........................................................................................................................... 6

ABSOLUTE MAXIMUM RATINGS ................................................................................................. 8

RECOMMENDED OPERATING CONDITIONS ........................................................................... 8

ELECTRICAL CHARACTERISTICS ................................................................................................ 9

TIMING DIAGRAMS ....................................................................................................................... 12

FUNCTIONAL DESCRIPTION ....................................................................................................... 14

1. Playback Code Specification ............................................................................................. 14

2. Pull-up/Pull-down Resistor .............................................................................................. 14

3. Stand-alone Mode ............................................................................................................... 14

APPLICATION CIRCUITS .............................................................................................................. 19

(2) Microcontroller Interface Mode

BLOCK DIAGRAM ........................................................................................................................... 21

PIN CONFIGURATION ................................................................................................................... 22

PIN DESCRIPTIONS ......................................................................................................................... 24

ABSOLUTE MAXIMUM RATINGS ............................................................................................... 25

RECOMMENDED OPERATING CONDITIONS ......................................................................... 25

ELECTRICAL CHARACTERISTICS .............................................................................................. 26

TIMING DIAGRAMS ....................................................................................................................... 29

FUNCTIONAL DESCRIPTION ....................................................................................................... 31

1. Playback Code Specification ............................................................................................. 31

2. Address Data ....................................................................................................................... 31

3. Stop Code ............................................................................................................................. 32

4. Generating Pseudo - BUSY Signal through NAR pin.................................................... 33

APPLICATION CIRCUIT................................................................................................................. 34

(3) Common

1. Sampling Frequency ........................................................................................................... 35

2. Recording/Playback Time ................................................................................................. 35

3. Playback Method ................................................................................................................ 36

4. Phrase Control Table .......................................................................................................... 37

5. RC Oscillation ...................................................................................................................... 39

6. Ceramic Oscillation ............................................................................................................ 40

7. Low-pass Filter .................................................................................................................... 42

8. Standby Transition .............................................................................................................. 43

9. Voice Output Unit Equivalent Circuit (AOUT, VREF Pins) .......................................... 44

D/A CONVERTER CURRENT CHARACTERISTICS ................................................................ 45

PAD CONFIGURATION ................................................................................................................. 46

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