基于SDA80D51芯片的以太电话机的设计与实现
贾德胜,黄永峰
Design and realization of the Ethernet phone based on SDA80D51
JIA De-sheng, HUANG Yong-feng
计算机应用 . 2005, (02): 440 -442 .  DOI: 10.3724/SP.J.1087.2005.0440