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1. 除了FX_EN,两者相同。
2. 不需要DSP介入,理论上配置完成,置位完成后,是由PHY会自动发FLP(自协商波形),规格书Figure.2中有。
1. 初始化一样,二者的区别在于DP83822IF 支持100BASE-FX。
2. 不需要DSP 启动,两种方法执行自动协商
Hardware Bootstrapping
Register Access