INTRODUCTION

SN65042 is a 42 seconds two-channel single chip voice synthesizer IC which contains a PWM Direct Drive Circuit and fixed current D/A output. There are two 4-bit I/O ports 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

◆ 42 seconds voice capacity is provided

◆ Built in a tiny controller

◆ Two 4-bit I/O ports are provided

◆ 64*4 bits 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

◆ Two independent voice channels (Channel 1 + Channel 2→Buo1,Buo2)

◆ Built in a PWM Direct Drive circuit and a fixed current D/A output

◆ Low Voltage Reset

◆ System clock : 2MHZ