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I2C or SPI

Former Member over 11 years ago

which protocal is best in any microcontroller

i2c or SPI ?

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vsluiter over 11 years ago in reply to danielmcgraw +2

Good overview! I2C has one extra benefit: the slaves acknowledge the transfer, so you're sure a slave is listening. It also has a drawback, and that is that uses an open collector drive, and with long…
michaelkellett over 11 years ago +1

It depends on what you want to do - there are many pros and conns - that's why both are in common use. Did you have a specific problem in mind ? MK
danielmcgraw over 11 years ago +1

As with everything, there are pros and cons of both methods. I2C Tends to be a bit slower but still fast enough for most applications Only needs two pins (SDA and SCL) has a reasonable range (I've used…

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michaelkellett over 11 years ago

It depends on what you want to do - there are many pros and conns - that's why both are in common use.
Did you have a specific problem in mind ?

MK
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michaelkellett over 11 years ago

It depends on what you want to do - there are many pros and conns - that's why both are in common use.
Did you have a specific problem in mind ?

MK
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