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DP83TC812S-Q1: DP83TC812S的Slave模式以及Master的问题

Part Number: DP83TC812S-Q1

您好,我在设计过程中有个疑问,我们是RMII接口,Slave模式,参考时钟是主芯片输出到DP83TC812S的XI脚吗? Master模式,参考时钟是由DP83TC812S的RXD3脚输出到主芯片吗?

另外Slave和Master模式是否需要外部电阻去配置?