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Are there advantages to using a hardware CRC?

 
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ortegahernandes



Joined: 14 Feb 2020
Posts: 23

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Are there advantages to using a hardware CRC?
PostPosted: Wed Nov 29, 2023 8:37 am     Reply with quote

I'm going to ask a very general question.
here I can use a CRC both via hardware and software

Is there an advantage to using hardware?
temtronic



Joined: 01 Jul 2010
Posts: 9136
Location: Greensville,Ontario

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PostPosted: Wed Nov 29, 2023 9:00 am     Reply with quote

should be faster ?
math is always correct ?
hmm, are you generating the CRC to send it or comparing incoming data to confirm ? it may make a difference.


Last edited by temtronic on Wed Nov 29, 2023 5:53 pm; edited 1 time in total
waffles



Joined: 21 Dec 2021
Posts: 7

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PostPosted: Wed Nov 29, 2023 2:13 pm     Reply with quote

Less program space is used.

Some PICs allow to you to perform a scan/calculation in the background, throwing an interrupt when complete.
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