stm32 官方1588协议例程修改版 phy采用dm9161，测试通过，精确度在200ns之内。

Altera 1588 System Solution This Application Note describes the overview concept of IEEE 1588v2 standard and Precision Time Protocol as well as the procedure and architecture of Altera 1588 system solution reference design using Altera Arria V SoC,