INTRODUCTION

SN68009 is a 9 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

◆ 9 seconds voice capacity are provided

◆ One 4-bit input port 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

◆ Built in a dual tone melody generator

◆ Speech/Dual tone melody mixer is provided

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

◆ Low Voltage Reset