Datasheet > SN56268

SN56268

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
松翰 - SONIX		控制器
页数	文件大小	规格书
11页	380K
描述
4-Channel Speech Controller

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SN56268 数据手册

SN56268

4-Channel Speech Controller

1. INTRODUCTION

SN56268 is a 268 seconds single chip 4-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

268 seconds voice capacity are provided

128*4 bits RAM are provided

ROM Size

−

Maximum 810K*10 bits ROM size

64K program ROM is provided

−

ꢀ

Readable ROM code data

I/O Ports

−

Four 4-bit I/O ports P1, P2, P3, P6

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

The IO pins P3.3 can be modulated with 38.5Khz carry signal to implement

IR function.

ꢀ

Built in a high quality speech synthesizer

Four independent voice channels

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

Automatic repetition for every channel

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

Two 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

March 2,2005

1 234 5 6 7...11

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