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Jon Titus
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Re: Introduction: Fundamentals of Designing With Microcontrollers
Jon Titus   1/16/2012 7:58:17 PM
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Q:  What is the main difference between I2C and CAN? Their block diagrams seem to be


the same.

 

A: Use I2C for short-distance chip-to-chip communications. I2C devices use a common clock signal, CAN does not.  Use CAN for longer-distance comms between a computer and a machine-tool, for example. CAN uses a sophisticated protocol that included a cyclic-redundancy code, error flags, acknowledgements, message identifiers, and do on.  It's a robust form of communications.




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