Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Allwinner/D1H/TWI[2]/TWI_DRV_SLV#0x0
cmd=write
TWI_DRV Slave ID Register
SLAX[7:0]
R/W operation to slave device
0 (write): undefined
1 (read): undefined
Slave device ID
https://github.com/cmsis-svd/cmsis-svd-data