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摘要：AVR是世界上著名的高性能、低功耗、非易失性存储器和数字集成电路的一流半导体。STK500是ATMEL最推荐的编程方式，下载速度快，并支持在线调试。JTAG ICE是基于JTAG接口的片上调试工具，硬仿真目标系统。本文将应用STK500和JTAG ICE的相关知识，接口技术等为AVR实验平台设计外围接口，使实验平台完整。本设计能够使用USB接口或者串口两种接口进行通信，包括STK500协议的串口下载与JTAG ICE仿真。本文先完成课题的设计思路，在此基础上根据相关的知识完成硬件原理图的设计，另外还需要通过软件实现开发调试。
关键词：微控制器；接口；STK500；JTAG
Design for the periphery interface of AVR experiment
platform
Abstract：AVR is the most famous semiconductor in the world because of high performance, low-power consumption, not easy to lose nature memorizer and figure IC.STK500 is the most recommended programming means by ATMEL, which have high download speed and supports online debugging. JTAG ICE is a on-chip debugging tools which based on JTAG interface, it's a hardware simulation system. In order to make experimental platform integrity, we use some knowledge and interface technology to design AVR experimental platform's peripheral interface. These knowledge and technology will including STK500,JTAG ICE and so on. This design will implement the communication through USB or serial interface, including serial download based on STK500 agreement and JTAG ICE simulation. First, this paper complete the functional requirement analysis. Then we design the diagram of hardware principle according to relevant knowledge. Finally a software be used to debug this system.
Keywords: MCU, Interface, STK500, JTAG
