| ROM Code | Secure Boot Mode: AES-RSA X.509 Certificate Serial Number Length
Limit | The length of serial numbers is limited to 16 bytes
by the ROM code. | X | X | |
| System Controller | System Controller Write Protection Status Register (SYSC_WPSR)
Limitation | Write access violation is not reported by
SYSC_WPSR. | X | X | |
| OTPC | OTPC
Limited Number of Packets | The number of packets is limited to 2. | X | X | |
| OTPC
Restricted Operating Range in Write Mode | Write operations cannot be performed over the full
temperature and VDDANA ranges. | X | X | |
| OTPC
Wrong Default Configuration | The default configuration cannot be used to access
the OTP memory in Write mode. | X | X | |
| PMC | ULP1
Mode Entry Procedure | Spurious exit from ULP1 mode | X | X | |
| SMC | Register Write Protection Not Effective on SMC_OCMS
Register | The register write protection is not effective on the
SMC_OCMS register. | X | X | |
| FLEXCOM | FLEXCOM Sniffer Mode | Peripheral TWI*n+1* cannot be configured to analyze
peripheral TWI*n*. | X | X | |
