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Cyclic Redundancy Check CRC

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E-Learning Course Cyclic Redundancy Check CRC

Duration
1 h 20 min
Study Time
6 h 20 min

Content

Target

Trailer

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What is a Cyclic Redundancy Check?

The Cyclic Redundancy Check or a CRC checksum (Cyclic Redundancy Check) is a method for error detection in data transmissions and storage media.

Why is the Cyclic Redundancy Check needed?

CRC checksums are reliable methods for verifying data. They are particularly effective at detecting random transmission errors. They are used to ensure that data remains intact during transmission or storage. For example, bit errors or faults can be detected with a very high probability during a data transmission.

How is Cyclic Redundancy Testing related to embedded systems?

CRC checksums are frequently used in embedded systems, e.g. in data transfers via serial bus systems or in the checking of memories in microcontrollers. When embedded systems operate in environments that are prone to interference or errors, ensuring correct data is of great importance. This improves the reliability of the systems.

What can you learn in this Embedded Academy e-learning on Cyclic Redundancy Check?

In this course, you will acquire the necessary knowledge to understand the calculation of CRC checksums. The first module imparts the definition and function of the CRC checksum. The modules are organized in ascending order of CRC sums, and the calculations are always explained using examples.In the “CRC Definition” module, we uncover its significance, explore various CRC lengths, and delve into its principles, including functionality, polynomial representation, and generator polynomial.In “E-Learning CRC-8,” we delve deeper into CRC-8 calculation, explaining steps with examples. Explore how the sender generates the CRC-8 checksum and how the receiver verifies message accuracy.Continuing the journey, “CRC-16” explores CRC-16 calculation through detailed examples. Learn how CRC-16 is generated and verified, addressing diverse message lengths. Whether new to CRC or seeking a deep dive, this course empowers your understanding.

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