Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/SiM3_NRND/SIM3L168_A/IDAC_0/BUFFER32#0x0
FIFO Buffer Entries 2 and 3
FIFO Buffer Entry 2.
FIFO Buffer Entry 3.
https://github.com/cmsis-svd/cmsis-svd-data