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UCD3138A下载接口设计

Other Parts Discussed in Thread: UCD3138A, UCD3138, PMP4435

参照PMP11432,UCD3138A PMbus的焼写端口如下

电路很复杂,但是PMP4435所使用的UCD3138的端口很简单,如J5

设计UCD3138A的下载接口到底如何设计?越简单越好!谢谢!