中继群是多路复接群,本文主要讲述在单片机+FPGA结构体系上.利用C51和FPGAdvantage进行模块化软件设计开发。-Relay group is multiplexing multiple groups, this paper describes the structure in the MCU+ FPGA systems of. Using C51 and FPGAdvantage to modular software design and development.