4.4 I²C Low-Frequency ATECC608B Migration

Migrating an ATECC508A design that has to deal with the low-frequency I²C issue requires no changes to either hardware or firmware. The changes implemented for a correct operation with the ATECC508A will not cause an issue with the fixed ATECC608B.

The user must consider if the operation of the system is better served by backing out the firmware changes implemented to correct the ATECC508A issues. Removing these changes would most likely result in reduced firmware size and improved system performance. Whether these are reasons valuable enough to modify the working code is up to the implementer.