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[FAQ] [参考译文] [常见问题解答] PMBus 主器件是否需要数据包错误代码? UCD90xxx

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Other Parts Discussed in Thread: UCD90120A, UCD9090, UCD90160A, UCD90160, UCD90320U, UCD90120, UCD9090A, UCD90124, UCD90124A, UCD90320
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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1049390/faq-is-packet-error-code-required-by-the-pmbus-master-ucd90xxx

主题中讨论的其他器件:UCD90120AUCD9090UCD90160AUCD90160UCD90320UUCD90120UCD9090AUCD90124UCD90124AUCD90320

它是可选的。 如果 PMBus 主机支持、UCD90xxx 器件会发送和接收数据包错误代码(PEC)。 无需特殊配置。

PEC 是在每个事务之后附加的 CRC-8校验和。 它使设备能够检测通信错误并丢弃损坏的消息。 始终建议在主机中实现 PECs。

有关更多常见问题解答、请查看以下文档。

UCD90xxx 系列常见问题解答 

UCD9090 UCD9090A UCD90120 UCD90120A UCD90124 UCD90124A UCD90160 UCD90160A UCD90320 UCD90320U