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UCD3138: PMBus地址设置问题

Part Number: UCD3138


根据UCD3138手册,PMBus需要外接电阻设置地址,如下图。但是手册中没有给出这个电阻的值和编写软件时地址的对应关系,请问这两者怎么对应?

如开发板UCD3138HSFBEVM,此处电阻值为51.1k

程序中配置pmbus的代码如下

为什么51.1k电阻设置的地址是0X58?