Regarding error detection and correction

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rajesh6821

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Hello friends,
I would like to know how to select different error detection techniques for different applications? When to use CRC check and when to use checksum method?
 

CRC is better and more reliable for detecting data integrity. Use a good polynomial.
Checksum is more simple and easy, but it unsure. For instante, checksum is unable to detect the lack of "zeros" words. On the other hand, minimum Hamming distance with checksum is 2; with a good CRC is always higher.
Regards

Z

P.S.: why put you this post in the "PCB Routing & Schematic Layout software & Simulation" forum?
 

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