PEDS87V1021-01

1Semiconductor

MS87V1021

2/63

CONTENTS

GENERAL DESCRIPTION .................................................................................................................................1

FEATURES ..........................................................................................................................................................1

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

PIN CONFIGURATION (TOP VIEW)................................................................................................................4

PIN DESCRIPTION .............................................................................................................................................5

APPLICATION CIRCUIT EXAMPLE................................................................................................................6

ABSOLUTE MAXIMUM RATINGS ..................................................................................................................7

RECOMMENDED OPERATING CONDITIONS............................................................................................... 7

ELECTRICAL CHARACTERISTICS .................................................................................................................7

DC Characteristics. .............................................................................................................................................7

AC Characteristics ..............................................................................................................................................8

1. Microcontroller interface mode....................................................................................................................8

2. BUSY time when a command is executed ..................................................................................................8

3. Status flag time when a command is executed...........................................................................................10

Analog Characteristics... ...................................................................................................................................11

Analog Input Amplifier Circuit.........................................................................................................................11

LPF Characteristics...... .....................................................................................................................................12

AD, DA Converter Full Scale... ........................................................................................................................12

NOTICE.......................................... ....................................................................................................................13

Power Supply Connection.................................................................................................................................13

Supplementary Explanation on SG Pin .............................................................................................................14

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

Serial microcontroller interface mode...............................................................................................................15

Ready for recording with Rec command...........................................................................................................17

Ready for playback with Play command...........................................................................................................17

Starting recording with Start command ............................................................................................................18

Starting playback with Start command .............................................................................................................18

Ending recording/playback with Stop command ..............................................................................................19

Pause of recording/playback with Pause command ..........................................................................................19

Setting voice area block with Area1 commnand...............................................................................................20

Setting voice area with Area2 command...........................................................................................................20

Setting Delay value with Delay command ........................................................................................................21

Deleting phrase with Del command. .................................................................................................................21

Outputting STATUS with Status command ......................................................................................................22

Reading recording/playback start address with Adrrd command......................................................................23

Writing recording/playback start address with Adrwr command......................................................................23

Copying page data with Copy command ..........................................................................................................24

Fast forward/rewind with Cue/rew command ...................................................................................................24

Data transfer with Dtrw command ....................................................................................................................25

Ending Dtrw mode with End command ............................................................................................................25

Continuous ROM playback with Rply command .............................................................................................26

Reset function ...................................................................................................................................................27

Power down function. .......................................................................................................................................27

LIST OF COMMANDS......................................................................................................................................28

Delayed Play Mode ...........................................................................................................................................28

Retroactive Play Mode (1/2) .............................................................................................................................29

Retroactive Play Mode (2/2) .............................................................................................................................30

Normal Mode(1/2) ............................................................................................................................................31

Normal Mode(2/2) ............................................................................................................................................32

Other Commands (Common in All Modes) (1/2). ............................................................................................33

Other Commands (Common in All Modes) (2/2). ............................................................................................34

Fast Forward/Rewind Playback (Valid only in Retroactive Play Mode and Normal Mode) ............................35

FLOWCHARTS .................................................................................................................................................36