MSM6688 datasheet(2/159 Pages) OKI

2 / 159 page

2/159

CONTENTS

(1) STAND-ALONE MODE

(for MSM6688 (5 V Version))

FEATURES ........................................................ 3

BLOCK DIAGRAM .......................................... 4

PIN CONFIGURATION .................................. 5

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

ABSOLUTE MAXIMUM RATINGS ............ 10

RECOMMENDED OPERATING

CONDITIONS ................................................. 10

ELECTRICAL CHARACTERISTICS ........... 11

TIMING DIAGRAMS .................................... 15

FUNCTIONAL DESCRIPTION ................... 28

Recording Time and Memory

Capacity ................................................ 28

Connection of an Oscillator ..................... 28

Power Supply Wiring............................... 29

Analog Input Amplifier Circuit ............. 29

Connection of LPF Circuit

Peripherals ........................................... 30

LPF Characteristics ................................... 31

Reset Function ........................................... 32

Power Down by the PDWN pin ............. 33

Record/Playback Control Mode ............ 34

Deleting phrases ....................................... 36

Recording Method .................................... 37

Playback Method ...................................... 38

ROM Playback Method ............................ 39

Voice Triggered Starting .......................... 40

Method of Temporarily Stopping Record/

Playback by Pause Function .............. 42

APPLICATION CIRCUIT ............................. 43

(2) MICROCONTROLLER INTERFACE

MODE

(for MSM6688 (5 V Version)

and MSM6688L (3 V Version))

FEATURES ....................................................... 44

BLOCK DIAGRAM ......................................... 45

PIN CONFIGURATION ................................. 46

PIN DESCRIPTIONS ...................................... 47

ABSOLUTE MAXIMUM RATINGS

(for MSM6688 (5 V Version)) ......................... 50

RECOMMENDED OPERATING CON-

DITIONS (for MSM6688 (5 V Version)) ....... 50

ELECTRICAL CHARACTERISTICS

(for MSM6688 (5 V Version)) ......................... 50

ABSOLUTE MAXIMUM RATINGS

(for MSM6688L (3 V Version)) ...................... 55

RECOMMENDED OPERATING CONDITIONS

(for MSM6688L (3 V Version)) ...................... 55

ELECTRICAL CHARACTERISTICS

(for MSM6688L (3 V Version)) ...................... 55

TIMING DIAGRAMS ..................................... 60

FUNCTIONAL DESCRIPTION .................... 79

Recording Time and Memory

Capacity ................................................. 79

Connection of an Oscillator ...................... 79

Power Supply Wiring................................ 81

Analog Input Amplifier Circuit .............. 81

Connection of LPF Circuit

Peripherals ............................................ 82

LPF Characteristics .................................... 82

Full Scale of A/D and D/A Converters . 83

Reset Function ............................................ 84

Power Down by the PDWN pin .............. 85

Record/Playback Control Modes ........... 86

Data Configuration of External Serial

Registers ................................................ 88

Data Configuration of External

Serial Voice ROMs ............................... 97

Command Description .............................. 99

Status Register .......................................... 108

Inputting the Commands ....................... 112

Changes of Record/Playback

Conditions ........................................... 116

Setting and Confirming the

Record/Playback Conditions ................ 117

Flex Record/Playback Method .............. 128

Direct Record/Playback Method ......... 135

ROM Playback by Inputting Address

Code ..................................................... 138

Direct ROM Playback Method ............... 142

Stopping Record/

Playback Temporarily ....................... 144

Transferring Data to/from External

Memories ............................................. 145

Record/playback by Inputting/

Outputting Voice Data via Data Bus ........ 151

Suppression of Pop Noise at

AOUT Output ..................................... 155

APPLICATION CIRCUIT ............................ 157

¡ Semiconductor

MSM6688/6688L

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