SN52000 查看數據表（PDF） - Sonix Technology Co., Ltd

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SN52000

2-Channel Speech Controller

Sonix Technology Co., Ltd 

SN52020

2-Channel Speech Controller

1. INTRODUCTION

SN52020 is a 20 seconds single chip 2-channel voice synthesizer IC which contains

I/O pins and a tiny controller. By programming through the tiny controller, users’

applications including section combination, trigger modes, output status, high

performance melody, multiple voices, and other logic functions can be implemented.

2. FEATURES

Single power supply 2.4V – 5.5V

Built in a tiny controller

20 seconds voice capacity are provided

64*4 bits RAM are provided

ROM Size

− Maximum 64K*10 bits ROM size

− 64K program ROM is provided

Readable ROM code data

I/O Ports

− One 4-bit I/O ports P3

− The driving/sink current of P3.2 & P3.3 are 8mA/16mA

Built in a high quality speech synthesizer

Two independent voice channels

Adaptive playing speed from 4k-40kHz is provided for all 2 channels individually

A 6-bit*8-bit Multiplier is embed to modulate the volume of synthesized voices

One digital mixers (with saturation control) are provided

Built in an 8-level volume control Analog Push-Pull Direct Drive circuit.

System clock: 2M Hz (RC-type or Crystal Option)

Low Voltage Reset

Built-in WDT function

Built-in Event Mark Function

Ver: 1.0

3

March 2,2005

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