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Register compatibility ADAU1452 <> ADAU1462 ?!

SigmaDSP & SigmaStudio JoergS Nov 3, 2020 00:00 5 replies Original on forum ↗
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JoergS Question
Nov 3, 2020 00:00

Though it is said the two mentioned parts are 100% SW and register compatible their spec says something different:

Is the ADAU1462 spec correct?

Thanks

Audio Signal Processors

adau1452

SigmaDSP Audio Processors

adau1462

6811.image.png
6811.image.png
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5807.image-(1).png
JoergS Reply
Nov 23, 2020 00:00

No one able to answer?

CopperMaze Reply
Nov 24, 2020 00:00

I would be glad to answer, as I'm going to use both the 1452 and 1462 for their pin compatibility; but I don't have both devices here for testing at the moment, only the 1452.

CopperMaze Reply
Nov 24, 2020 00:00

Also, by looking closer at the images you shared, I don't see the difference.
Those registers look 100% identical.

Rocha Reply
Nov 25, 2020 00:00

In fact they are not identical, one say locked bit value (0) zero, another say locked value (1) one. so they are inverted on value, but bit order is the same, also i do not have both DSPs to check if is a mistake on datasheet.

CopperMaze Reply
Nov 26, 2020 00:00

Nice catch!
So everybody here have a 1452 right? We just need one tester with a 1462... :/