INTRODUCTION

SN65020 is a 20 seconds one-channel single chip voice synthesizer IC which contains a PWM Direct Drive Circuit. There is one 4-bit I/O port and built in a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, and other logic functions can be easily implemented.

FEATURES

  Single power supply 2.4V – 5.1V

  20 seconds voice capacity is provided

  Built in a tiny controller

  One 4-bit I/O port is provided

  64*4 bit RAM are provided

  Maximum 16k program ROM is provided

  Readable ROM code data

  Built in a high quality speech synthesizer

  Adaptive playing speed from 2.5k-20kHz is provided

  Built in a PWM Direct Drive circuit output BUO1 and BUO2 directly connected to Speaker for sound output

  System clock :1MHZ