ISD1700A Datasheet, PDF (2/31 Pages) Winbond – Multi-Message Single-Chip Voice Record&Playback Devices

ISD1700A SERIES
TABLE OF CONTENTS
1 GENERAL DESCRIPTION ..............................................................................................................4
2 FEATURES......................................................................................................................................5
3 BLOCK DIAGRAM...........................................................................................................................6
4 PINOUT CONFIGURATION............................................................................................................7
5 PIN DESCRIPTION .........................................................................................................................8
6 FUNCTIONAL DESCRIPTION ......................................................................................................11
6.1 Detailed Description...............................................................................................................11
6.1.1 Audio Quality ...............................................................................................................11
6.1.2 Message Duration........................................................................................................11
6.1.3 Flash Storage ..............................................................................................................11
6.2 Memory Array Architecture ....................................................................................................11
6.3 Modes of Operations..............................................................................................................12
7 PUSH-BUTTON OPERATIONS ....................................................................................................13
7.1 Operation Overview ...............................................................................................................13
7.1.1 Record Operation ........................................................................................................13
7.1.2 Playback Operation .....................................................................................................14
7.1.3 Forward Operation.......................................................................................................14
7.1.4 Erase Operation...........................................................................................................15
7.1.5 Reset Operation...........................................................................................................16
7.1.6 VOL Operation.............................................................................................................17
7.1.7 FT (Feed-Through) Operation .....................................................................................17
7.2 vAlert Feature (Optional)........................................................................................................17
7.3 Sound Effect (SE) Editing ......................................................................................................17
7.3.1 Sound Effects ..............................................................................................................17
7.3.2 Entering SE Mode........................................................................................................18
7.3.3 SE Editing ....................................................................................................................18
7.3.4 Exiting SE Mode ..........................................................................................................18
7.3.5 Sound Effect Duration..................................................................................................18
7.4 Analog Inputs .........................................................................................................................19
7.4.1 Microphone Input .........................................................................................................19
7.4.2 AnaIn Input...................................................................................................................19
8 TIMING DIAGRAMS ......................................................................................................................20
8.1 Record, play and erase..........................................................................................................20
9 ABSOLUTE MAXIMUM RATINGS ................................................................................................23
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