Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA2A1AB/SYSTEM/MEMWAIT#0x0
MEMWAIT=0
Memory Wait Cycle Control Register
Memory Wait Cycle Select
0 (0): No wait
1 (1): Wait
These bits are read as 0000000. The write value should be 0000000.
https://github.com/cmsis-svd/cmsis-svd-data