INTRODUCTION

SN65012 is a 12 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

♦ 12 seconds voice capacity is provided

♦ Built in a tiny controller

♦ One 4-bit I/O port is 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

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

♦ System clock : 1MHz