Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Renesas Electronics/R7FA6M3AH/USBHS/PLLSTA#0x0
PLLLOCK=0
PLL Status Register
PLL Lock Flag
0 (0): PLL is not locked.
1 (1): PLL is locked.
https://github.com/cmsis-svd/cmsis-svd-data