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ADAU1450 Production
The ADAU1452/ADAU1451/ADAU1450 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP...
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ADAU1450 on Analog.com

ADAU1451 Production
The ADAU1452 / ADAU1451 / ADAU1450 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP...
Datasheet
ADAU1451 on Analog.com

ADAU1452 Production
The ADAU1452 / ADAU1451 / ADAU1450 are automotive qualified audio processors that far exceed the digital signal processing capabilities of earlier SigmaDSP...
Datasheet
ADAU1452 on Analog.com

CODE CAMPATIBLITY BETWEEN ADAU1450/1/2

rwalborn

on Feb 14, 2018

Is code generated for the AD1450 compatible with the ADAU1451 and ADAU1452.. The design utilizes the ADAU1450. But for second sourcing considerations , can the ADAU1451 and ADAU1452 be substituted without any code changes?

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0 matthijs
on Mar 4, 2018 8:16 AM
The 1463/1467 aren't pin-compatible, they come in an 88-pin package rather than the 72-pin package of the 145x/1462/1466.

Compatible upgrade paths are (as far as I know):

1450 → 1451 → 1452

1450 → 1462-150 → 1462-300 → 1466

1451 → 1462-300 → 1466

1452 → 1462-300 is not quite compatible since it seems the 1462 splits each DM into two pages of 12Kwords for slave port access, rather than having 24Kwords contiguous (even though 24Kwords contiguous would have fit in the slave port address space, so paging shouldn't have been necessary).

Matthijs
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0 matthijs
on Mar 4, 2018 8:16 AM
The 1463/1467 aren't pin-compatible, they come in an 88-pin package rather than the 72-pin package of the 145x/1462/1466.

Compatible upgrade paths are (as far as I know):

1450 → 1451 → 1452

1450 → 1462-150 → 1462-300 → 1466

1451 → 1462-300 → 1466

1452 → 1462-300 is not quite compatible since it seems the 1462 splits each DM into two pages of 12Kwords for slave port access, rather than having 24Kwords contiguous (even though 24Kwords contiguous would have fit in the slave port address space, so paging shouldn't have been necessary).

Matthijs
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CODE CAMPATIBLITY BETWEEN ADAU1450/1/2