Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32L562/DMAMUX1/C2CR#0x0
DMA Multiplexer Channel 2 Control register
DMA Request ID
Synchronization Overrun Interrupt Enable
Event Generation Enable
Synchronization enable
Sync polarity
Nb request
SYNC_ID
https://github.com/cmsis-svd/cmsis-svd-data