这是atmega128开发板的原理图和pCB文件，没有问题，用protel 99直接就可以打开，已经打样测试过，很有参考价值。-This is the atmega128 development board schematic and pCB files, no problem, using protel 99 directly on the can open, have been tested proofing, great reference value.

小弟的毕业设计（atmega128L+CC2420组建星形网络）的单片机程序-Younger brother

这个程序是用atmega128芯片实现pwm输出的程序-This procedure is used atmega128 chip implementation procedures pwm output