AFE4490的AFE_PDN pin如果低以后,所有寄存器都会复位吧? 但是控制寄存器0x23的PDNAFE位置后,其他寄存器的值不会变。当PDNAFE位再清零,AFE4490可以继续正常工作。这两种AFE4490的停止工作那种更省电呢?
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