SNC583

Two Channel Direct Drive Speech Controller

1 INTRODUCTION

SNC583 is a two-channel voice synthesizer IC with PWM direct drive circuit. It

built-in a 4-bit tiny controller with one 4-bit input port and two 4-bit I/O ports. By

programming through the tiny controller in SNC583, user’s varied applications

including voice section combination, key trigger arrangement, output control, and

other logic functions can be easily implemented.

2 FEATURES

Single power supply 2.4V – 5.5V

61 seconds voice capacity are provided(@6KHZ sample rate)

Built in a 4-bit tiny controller

One 4-bit input port and two 4-bit I/O ports are provided

128*4 bits RAM are provided

184K*10 ROM size are provided for voice data and program

Maximum 16k program ROM is provided

Readable ROM code data

IR carrier signal is provided

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

System clock : 2MHz

Low Power Reset

Ver: 1.3

August 26, 2003

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