INTRODUCTION

SN67040 s a 40 seconds single chip voice synthesizer IC which contains I/O pins and a tiny controller. By programming through the tiny controller, user’s applications including section combination, trigger modes, output status, and other logic functions can then be easily implemented.

FEATURES

♦ Single power supply 2.4V - 5.1V

♦ Built in a tiny controller

♦ 40 seconds voice capacity are provided

♦ One 4-bit input ports and 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

♦ Fixed current D/A output is provided to drive external connected transistor for sound output

♦ Low Voltage Reset