ARM Cortex-A8 裸板，设置不同时钟频率的测试程序。ARMCLK=240M、1000M,FOUTmpll=120M、667M-ARM Cortex-A8 bare boards, set a different clock frequency of testing procedures. ARMCLK = 240M, 1000M, FOUTmpll = 120M, 667M

博通10/100/1000M以太网PHY数据手册，很有开发参考的价值。-Broadcom 10/100/1000M Ethernet PHY data sheet is available for reference use.