There are some adv7604 registers that are defined the same, for example, IO map 0x45 and x046, 0x72 and 0x73 etc. what's the reason? do we need to configure both registers the same? what will happen if the pair is configured differently?
They aren't duplicates. ADV7604 has two programmable interrupt pins and each one has mask bits for a given interrupt so you could configure a given interrupt source to go to either pin (or both) depending on how you set the mask bits.
Got it, thank you for your quick response. -Hai
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