Datasheet > SN6A297

SN6A297

更新时间： 2022-12-12 06:39:34

品牌	Logo	应用领域
松翰 - SONIX		控制器
页数	文件大小	规格书
6页	137K
描述
LCD Controller with Voice/Dual Tone Melody

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SN6A297 数据手册

SN6A297

LCD Controller with Voice/Dual Tone Melody

INTRODUCTION

SN6A297 is a single chip voice/dual tone melody synthesizer IC with 8*40 direct

drive capability which contains two 4-bit I/O ports, one 4-bit output port and a

tiny controller. By programming through the tiny controller, user’s application

including LCD display, section combination, trigger modes, output status,

voice/melody playing and other logic functions and then be easily implemented.

FEATURES

Single power supply 2.4V – 5.1V

Built in a tiny controller

Two 4-bit I/O ports are provided, one 4-bit output ports are provided

272*4 bits RAM for programming usage are provided (page0~15, m8~m15

of page18 and page21)

80*4 bits RAM for LCD display usage are provided

Maximum 108k*10 program ROM is provided

Readable ROM code data

Built in direct 8*40 LCD driver

LCD 1/4 bias; 1/4 duty

Built in a high quality speech synthesizer

Adaptive playing speed from 2.5k-40kHz is provided

Built in a dual tone melody generator

Speech/Dual tone melody mixer is provided which SN6A297 can play

speech and dual tone melody simultaneously

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

for sound output

May 24, 2001

12 3 4 5 6

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