Hi @Ty_X4
The release of the S32K388 devices has Code Drop quality, so in terms of testing is not fully tested and contains a partial feature set.
According to the provided information, the S32K388 at this moment was just tested with the following compiler version:
- Wind River Diab Compiler DIAB 7.0.4
- NXP GCC 10.2.0 20200723
So, at this moment, we see there is no official IAR support for this device.
Sorry for the inconvenience.