Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA6M3AH/PTPEDMAC/EDRRR#0x0
RR=0
EDMAC Receive Request Register
Receive Request
0 (0): Receive function is disabled.
1 (1): Receive descriptor is read, and the receive function is enabled.
https://github.com/cmsis-svd/cmsis-svd-data