Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA6M3AH/GLCDC/TCON_DE#0x0
INV=0
TCON Data Enable Polarity Setting Register
DE signal polarity inversion control.
0 (0): Not inverted
1 (1): Inverted
https://github.com/cmsis-svd/cmsis-svd-data