Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32G473xx/DAC1/DAC_STR1#0x0
Sawtooth register
DAC Channel 1 Sawtooth reset value
DAC Channel1 Sawtooth direction setting
DAC CH1 Sawtooth increment value (12.4 bit format)
https://github.com/cmsis-svd/cmsis-svd-data