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SigmaDSP Processors and SigmaStudio Development Tool

Q&A Register compatibility ADAU1452 <> ADAU1462 ?!

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Register compatibility ADAU1452 <> ADAU1462 ?!

JoergS on Nov 3, 2020

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

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Rocha Nov 25, 2020 in reply to CopperMaze +1

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…

0 JoergS on Nov 23, 2020 3:10 PM

No one able to answer?
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0 CopperMaze on Nov 24, 2020 9:30 PM in reply to JoergS

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.
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0 CopperMaze on Nov 24, 2020 9:33 PM in reply to JoergS

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

on Nov 25, 2020 5:09 PM in reply to CopperMaze
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.
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0 CopperMaze on Nov 26, 2020 2:31 PM in reply to Rocha

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