dm9000c 源代码，dm9000是一款比较通用的网络芯片，此代码是在dm9000a的基础上进行的改进-dm9000c source code, dm9000 is a more general network chip, this code is based on the dm9000a Improvement

dm9dev9000c在JZ2440开发板下的驱动程序，在dm9dev9000c芯片自带驱动的基础上修改所得-The driver of dm9dev9000c in JZ2440 development board