Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Microchip Technology/ATSAML11E14A/SCB/CPUID#0x0
CPUID base register
Revision number
Part number, 0xD20=Cortex-M23
Architecture version, 0xC=ARMv8-M Base Line, 0xF=ARMv8-M Main Line
Variant number
Implementer code, ARM=0x41
https://github.com/cmsis-svd/cmsis-svd-data