华为公司传输业务部资料 很适合电子开发初级人员 也适合软件开发人员了解硬件-Department of Huawei data transmission is very suitable for electronic development of junior staff is also suitable for software developers to understand the hardware

双龙公司完整的嵌入式以太网开发资料！包括硬件图和源代码-internet