FPGA 10M/100M/1000M以太网IP核源码，外接88e1111phy芯片进行了仿真验证，对FPGA 以太网MAC层开发人员非常有用-The FPGA 10 m/100 m/1000 m Ethernet IP core source code, an external 88 e1111phy chip simulation verification, is very useful for developers FPGA Ethernet MAC layer