SN56016
4-Channel Speech Controller
========================== CONTENTS ===========================
1. INTRODUCTION............................................................................................................3
2. FEATURES ......................................................................................................................3
3. BLOCK DIAGRAM........................................................................................................4
4. PIN ASSIGNMENT.........................................................................................................4
5. FUNCTION DESCRIPTIONS .......................................................................................5
5.1.
5.2.
5.3.
5.4.
5.5.
5.6.
5.7.
5.8.
OSCILLATOR ...............................................................................................................5
ROM ..........................................................................................................................5
RAM ..........................................................................................................................5
POWER DOWN MODE..................................................................................................5
SAMPLING RATE COUNTERS .......................................................................................5
AUTO REPETITION .......................................................................................................6
WAVE MARK ..............................................................................................................6
PUSH-PULL OUTPUT....................................................................................................6
VOLUME CONTROL FUNCTION....................................................................................6
WATCH DOG...........................................................................................................7
I/O PORTS...............................................................................................................7
PULL-LOW RESISTER CONTROL..............................................................................7
IR FUNCTION ..........................................................................................................7
5.9.
5.10.
5.11.
5.12.
5.13.
6. ABSOLUTE MAXIMUM RATING ..............................................................................8
7. ELECTRICAL CHARACTERISTICS .........................................................................8
8. APPLICATION CIRCUIT .............................................................................................9
9. DISCLAIMER................................................................................................................11
1
Ver: 1.0
March 2,2005
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