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ISD1700A SERIES
- 2 -
TABLE OF CONTENTS
1
2
3
4
5
6
GENERAL DESCRIPTION..............................................................................................................4
FEATURES......................................................................................................................................5
BLOCK DIAGRAM...........................................................................................................................6
PINOUT CONFIGURATION............................................................................................................7
PIN DESCRIPTION.........................................................................................................................8
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