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关于UCD9222的反馈信号VID_A,VID_B,VID_C.VID_S

Other Parts Discussed in Thread: UCD9222

大家好,在使用UCD9222的时候,需要通过PMBus将配置文件下载到UCD9222内部,产生需要的电压,但是如果我们需要smart reflex技术,那么从DSP6678反馈的VID信号VID_A,VID_B,VID_C.VID_S,是DSP内部自动发送的吗?还是我们需要对DSP进行编程来实现VID信号输出啊?如果是DSP自动实现的,那么DSP怎么知道UCD9222采用的是4bit还是8bit反馈模式?谢谢