Why no found adau1452 form the processors(IC2/DSPS) list of tree toolbox in Sigmastudio 3.9.
The ADAU1452 is so new it didn't make it into the SigmaStudio 3.9 toolbox. Please upgrade to the Beta 3.10.1 version which provides -1452 support. The available algorithms are still limited as more advanced ones are still under development. See the link below for Beta 3.10.1 info:
Retrieving data ...