Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAME51J19A/SystemControl/CPUID#0x0
CPUID Base Register
Processor revision number
Process Part Number, 0xC24=Cortex-M4
Constant
Variant number
Implementer code, 0x41=ARM
https://github.com/cmsis-svd/cmsis-svd-data