SNC21268 Datasheet, PDF (1/11 Pages) SONiX Technology Company – 1-CH H.Q. Speech Controller

SNC21268
1-CH H.Q. Speech Controller
===================== CONTENTS =====================
1. INTRODUCTION............................................................................................................3
2. FEATURES ......................................................................................................................3
3. PIN ASSIGNMENT.........................................................................................................4
4. BLOCK DIAGRAM ........................................................................................................4
5. FUNCTION DESCRIPTIONS .......................................................................................5
5.1 OSCILLATOR ...............................................................................................................5
5.2 ROM ..........................................................................................................................5
5.3 RAM ..........................................................................................................................5
5.4 POWER DOWN MODE..................................................................................................5
5.5 SAMPLING RATE COUNTER .........................................................................................5
5.6 I/O PORTS...................................................................................................................6
5.7 IR FUNCTION ..............................................................................................................6
5.8 PWM IO CONTROL.....................................................................................................6
5.9 WATCH DOG TIMER....................................................................................................6
5.10 PUSH-PULL & DA OUTPUT ........................................................................................7
5.11 MARK REGISTER .........................................................................................................8
5.12 LOW VOLTAGE HOLD .................................................................................................8
6. ABSOLUTE MAXIMUM RATING ..............................................................................9
7. ELECTRICAL CHARACTERISTICS .........................................................................9
8. APPLICATION CIRCUIT ...........................................................................................10
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November 08, 2006