SNC678 Просмотр технического описания (PDF) - Sonix Technology Co., Ltd

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SNC678

4-Channel Speech Controller

Sonix Technology Co., Ltd 

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

Ver: 1.3

1

June 8, 2005

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