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