Hi @FabioG,
You can see the ports in the block diagram.
Figure 8. Block diagram – S32K324, S32K344 and S32K314
danielmartynek_0-1712913592825.png
The PFLASH_WR port is for writting/programming the flash (not depicted), while other ports are just for reading.
danielmartynek_0-1713253499220.png
Refer to RM sections:
22.1.1 Flash memory architecture
23.1 Chip-specific PRAMC information
Regards,
Daniel