该项目的目的是设计和实施，为的沟通通过其JTAG接口和控制是通过设置断点和寄存器和存储器访问程序的执行能力ATmega644调试。-The purpose of this project was to design and implement a debugger for the ATmega644 that communicated through its JTAG interface and was capable of controlling program execution by setting breakpoints and accessing registers and memory