Using MCS51 series single-chip microcomputer as CPU,a mainboard was designed,which implements most functions of 8-bit PC104 bus and has an ethernet interface.

• 本文以MCS51系列单片机为CPU,设计出能实现8位PC104总线大部分功能的主板,开发了以太网接口,再组合商业PC104总线接口模块形成测控系统。