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SN69040B PDF预览

SN69040B

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
5页 312K
描述
LCD Controller with Voice/Dual Tone Melody

SN69040B 数据手册

 浏览型号SN69040B的Datasheet PDF文件第2页浏览型号SN69040B的Datasheet PDF文件第3页浏览型号SN69040B的Datasheet PDF文件第4页浏览型号SN69040B的Datasheet PDF文件第5页 
SN69040B  
LCD Controller with Voice/Dual Tone Melody  
INTRODUCTION  
SN69040B is a single chip voice/dual tone melody synthesizer IC with 4*32 LCD  
direct drive capability which contains two 4-bit I/O ports, two optional 4-bit output  
ports and a tiny controller. By programming through the tiny controller, user’s  
applications 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 - 5V  
Built in a tiny controller  
Two 4-bit I/O ports and two optional 4-bit output ports are provided  
Built in 40K*10 ROM  
256*4 bits RAM for programming usage are provided  
32*4 bits RAM for LCD display usage are provided  
Maximum 16k program ROM is provided  
Readable ROM code data  
Built in direct 4*32 LCD driver  
LCD 1/3 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 SN69040B can play speech  
and dual tone melody simultaneously  
Fixed current D/A output is provided to drive external connected transistor for  
sound output  
PWM output is provided to drive external connected piezo buzzer  
1
Ver 1.1  
February 15, 2006  

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