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你好,我使用DP83822IF替代F28388D controlCARD中的DP83822I时,发现如下问题
1. 用DP83822IF替代以太网口的phy芯片时,以太网可以ping通
2. 用DP83822IF替代ethercat口的phy芯片时,p0口和p1口(电口)主站都扫描不出从站
我分析了83822的datasheet的bootstrap配置引脚,按照controlCARD的原理图参数数据,FX_EN应该是0,可以直接替换才是,但实际上就是扫描不出,DP83822I确可以,请问DP83822IF替换DP83822I时还需要注意什么吗?