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UCD9222+UCD7242

Other Parts Discussed in Thread: UCD9222, UCD7242

Hi,all

我用UCD9222+UCD7242给DSP提供核电压和存储阵列的电压,我看到UCD9222的手册上面写着给DSP的电压可以通过VID动态调节。可是怎么调节呢?是通过PMBus的指令吗?如果是的话,那岂不是PMBus下载线一直得连接在电路板上?PMBus调节电压的指令是由谁发出的呢?

谢谢

Nick