| The interconnection of LonWorks and Ethernet is the trend of network development, and the research of their interconnection has practical significance. Applying the embedded gateway to realize the interconnection is hotspot of network research. The gateway which is made of 8 bit microprocessor and embedded protocol stack has some applical value in industrial control. This paper brings forward the design scheme of the embedded gateway. From lectotype of embedded system and analysis of protocol, 8051 singlechip is selected as the gateway's microprocessor and Neuron 3150 is selected as LonWorks communication processor. The gateway can be used for serial and parallel connection, so the gateway has multiple uses. In software design, lwIP is selected as the embedded protocol, applying C51 to implant .At the same time, the Neuron chip is developed with Neuron C. The simulating experiment proves that the circuit design is correct for communication, and the embedded protocol is successfully implanted. |