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你好！
请问TI的工程师，PMBus的组命令格式中，主设备向从设备发送的字节数是多少？（如下图中，后面只有省略号）是一个字节、两个字节还是无限的字节？因为没有像模块写格式那种有数据长度字节。
你好，为你将问题升级至英文E2E：https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1034881/tms320f280049c-questions-about-pmbus-group-commands
