TI中文支持网Part Number:DP83822IOther Parts Discussed in Thread:TMDSCNCD28388D
专家你好！我采用参考TMDSCNCD28388D的controlCARDs中的port0和port1的设计电路实现ethercat通讯，并根据dp83822的datasheet中的配置将两个port均配置为光口，port0的dp83822地址配置为0，，port1的dp83822地址配置为1，port0的光口通过twcat可以正常通讯，但是port1的通讯不正常。读取与port1连接的83822中地址为0x0012寄存器，值为0x0000，读取0x0465寄存器值为0xFF00。
请问：1.port1通讯不正常，是否与eeprom配置相关？2.port0和port1的DP83822除地址配置不同外是否还需要进行其他配置？
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Taylor：
您好，
已经收到了您的案例，调查需要些时间，感谢您的耐心等待。
,
Links：
你好，
你能分享一下你的示意图以供审查吗？您还可以将寄存器0x00的值转储到0x1F、0x467和0x468吗？请注意，寄存器0x467和0x468是扩展寄存器，您必须使用第8.4.2.1节“扩展寄存器空间访问”中的方法来读取它们的寄存器值。
谢谢
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