SNC202

SNC202 Direct Drive Speech Controller ================= CONTENTS ================ 1. 2. 3. 4. 5. 5.1. 5.2. 5.3. 5.4. 5.5. 5.6. 5.7. 5.8. 6. 7. 8. INTRODUCTION ............................................................................................. 2 FEATURES ..................................................................................................... 2 BLOCK DIAGRAM.......................................................................................... 3 PIN ASSIGNMENT.......................................................................................... 3 FUNCTION DESCRIPTIONS .......................................................................... 4 OSCILLATOR .................................................................................................. 4 ROM ............................................................................................................ 4 RAM ............................................................................................................. 4 POWER DOWN MODE...................................................................................... 4 SAMPLING RATE COUNTERS ............................................................................ 4 EVENT MARK ................................................................................................. 5 I/O PORTS ..................................................................................................... 5 DAC & PWM ......................................