Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32G473xx/SPI4/I2SCFGR#0x0
configuration register
CHLEN
DATLEN
CKPOL
I2SSTD
PCMSYNC
I2SCFG
I2SE
I2SMOD
https://github.com/cmsis-svd/cmsis-svd-data