Solved
SAI2 Missing on STM32U585OI in CubeMX
The datasheet for STM32U585 and 575 list there are two SAI on the chip. In CubeMX I can only see SAI1 (A and B sub-blocks)
Datasheet
CubeMX pin menu
No, from U585 ds :
On STM32U585OI one SAI avail.
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