基于单片机控制多层板PCB系统设计【毕业论文,绝对精品】.docVIP

摘 要SP180S 由伟纳电子开发设计并公开了全部的软硬件资料的一款免费编程器，使用 USB 端口通讯和供电， 支持 SST 系列单片机和部分 AVR 系列单片机，目前可以支持 Atmel 公司常用 AT89C 和 AT89S 系列单片机，并可支持 AT24Cxx AT93Cxx 系列串行 Eeprom 的烧写，能够满足单片机初学者和爱好者学习 51 单片机的要求。SP180S 硬件设计成熟，软件功能完善拥有专业通用编程器软件的所有功能），并且有专门的论坛提供技术支持，可以确保你 DIY 成功！ 印制电路板技术正在飞速发展，在各个领域得到了广泛应用。本次设计以此为出发点，结合单片机编程器的基本原理，以 AT89C51 为核心，在 Protel 99SE 平台下从对电路进行设计，并在 Protel 99 SE平台下对 SP180S USB 编程器进行了详细的原理图设计以及 PCB 设计。首先根据电路原理从系统控制、USB 通信、DC/DC Conevert 三个模块对电路进行设计，最后综合所有模块进行 PCB 设计，并介绍了 PCB设计的参数设置???布线规则。利用 PROTEL 电路设计软件进行原理图设计，PCB 布线，借此巩固单片机应用、模拟电路、数字电路课程及学会工程软件 PROTEL 的使用。关键字：PROTEL 99SE；PCB；编程器；AT89C51lAbstract SP180S nanoelectronic development and design by the Wei and the public all the informationon a free hardware and software programmer using the USB port communication and power supplythe company currently supports Atmel MCU used AT89C and AT89S support the SST and some AVRMCU Series microcontroller and supports AT24Cxx AT93Cxx series Serial Eeproms programmingto meet the single chip microcontroller for beginners and enthusiasts to learn the requirementsof 51. SP180S sophisticated hardware design software functions a professional universalprogrammer all the functionality of the software and have a special forum to provide technicalsupport to ensure your DIY success Printed circuit board technology is developing rapidly in all fields has been widelyused. The design as a starting point combined with the basic principles of microcontrollerprogrammer to AT89C51 as the core in Protel 99SE platform designed from the circuit and inProtel 99 SE platform the SP180S USB programmer a detailed schematic design and PCB design.The first circuit from the system under control USB communications DC / DC Conevert threemodules of the circuit design the final integration of all modules of PCB design PCB designand introduced the parameter settings routing rules. PROTEL circuit design using schematicdesign software PCB layout to consolidate the SCM applications analog circuits digitalcircuits PROTEL co