Using the CRC module on the Flexis AC family

There are increasing requirements for in-application tests and checks upon embedded control software, to ensure it will operate without a malfunction that may cause a hazard. Peer reviews and following best programming practice can help to ensure that the fundamental software operation is safe, but it cannot protect an application against a corruption of its software (e.g. EMC event). The incorporation of a cyclic redundancy check module within the Flexis AC family provides a mechanism for users to verify that their program data has not been corrupted.

This application note aims to show how the cyclic redundancy check module of the Flexis AC family can be used to check in-application software for corruption and verify data integrity.

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