Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA4M1AB/DMAC0/DMCRB#0x0
DMCRB=others
DMA Block Transfer Count Register
Specifies the number of block transfer operations or repeat transfer operations.
0 (0000): 65,536 blocks
0 (others): DMCRB blocks
https://github.com/cmsis-svd/cmsis-svd-data