使用DP83640实现IEEE1588边界时钟以及透明时钟-DP83640 borders to achieve the use of IEEE1588 and transparent clock clock

IEEE 1588 PTP 硬件支持功能的以太网收发器，时钟精确性能表现非凡无论选用何种微控制器、FPGA或ASIC，DP83640的加入都可确保系统设计的高度灵活性，并实现高达8ns的精确度-IEEE 1588 PTP hardware support Ethernet transceivers, clock accurate performance, whether extraordinary selection of the microcontroller, FPGA or ASIC, D