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DP83822IF: FPGA与DP83822IF通信问题

Part Number: DP83822IF

1、DP83822以太网芯片,使用光口的时候是否支持热插拔?
2、如果支持热插拔需要针对哪些寄存器进行特殊配置?
3、我们现在开机连接可以正常通信,插拔后(间隔时间较长)数据出现CRC错误,
观察到寄存器在拔掉的时候出现载波错误。(0x0014 False Carrier Sense Counter Register),请问这种情况下需要什么特殊处理?