精品文档---下载后可任意编辑 实训综合设计报告设计课题：基于单片机的数控音频功率放大器专业:电子信息工程 年级：2024组长：组员：硬件技术参谋：指导老师：摘要音频功率放大器是一种常用的模拟电路，在各种音响设备中有1精品文档---下载后可任意编辑着广泛应用。传统模拟控制音频功率放大器增益采纳电位器控制，具有故障率高，不易与计算机、遥控器等数字电路接口等缺点，相比拟起来数字控制音频功率放大器具有明显的优势，在电视机、组合音响、mp3 播放器等家电设备中应用非常广泛。关键词：单片机、可控增益放大器、液晶 Abstart Audio power amplifier is a commonly used analog circuit, in all kinds of audio equipment has been widely used. Traditional simulation control audio amplifier gain the potentiometer control, has the high failure, not easy with the computer, digital interface circuit and remote control shortcomings, such as, by comparison digital control audio power amplifier has obvious advantages in television, combined sound, mp3 players home appliance equipment is widely used.Keywords: Single-chip microcomputer、Controllable gain amplifier、LCD目录摘要------------------------------------------------------------------------------12精品文档---下载后可任意编辑Abstart--------------------------------------------------------------------------2前言------------------------------------------------------------------------------31、总体设计--------------------------------------------------------------------41.1、电路功能根本概述--------------------------------------------52、硬件设计--------------------------------------------------------------------62.1、LCD 显示电路-------------------------------------------------62.2、单片机接口电路-----------------------------------------------72.3、功率放大电路--------------------------------------------------73、软件设计3.1、模块设计--------------------------------------------------------83.2、主程序流程图--------------------------------------------------83.3、显示子程序流程图----------...
