SNC678 Datasheet, PDF (1/14 Pages) SONiX Technology Company – 4-Channel Speech Controller

SNC678
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 OSCILLATOR ................................................................................................................... 5
5.2 ROM .............................................................................................................................. 5
5.3 RAM .............................................................................................................................. 5
5.4 POWER DOWN MODE ...................................................................................................... 5
5.5 SAMPLING RATE COUNTERS ............................................................................................ 5
5.6 AUTO REPETITION ........................................................................................................... 6
5.7 I/O PORTS ...................................................................................................................... 6
5.8 IR FUNCTION .................................................................................................................. 7
5.9 8-BIT DAC ...................................................................................................................... 7
5.10 8-BIT PWM ..................................................................................................................... 8
6. ABSOLUTE MAXIMUM RATING ..................................................................................... 9
7. ELECTRICAL CHARACTERISTICS ................................................................................ 9
8. ROSC PERFORMANCE................................................................................................. 10
9. APPLICATION CIRCUIT ................................................................................................ 11
10. BONDING PAD........................................................................................................... 13
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August 26, 2003