What is the difference between “interface” and “protocol”?
If you want to send a letter to someone in Germany, the interface is the way that you decide to send the letter. The protocol is actually the content of the text that you have written on the message. You can write it in English or you can have a translator write it in German if needed. In Sealevl’s case, for our serial cards, the interface is the electrical interface. The protocol is the format that you’re going to be communicating with.
Watch I/O in a Minute: Interface vs Protocol
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