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Topic: Using the W5100 at 3V3 P.S.. needs SPI voltage buffers/level converter? (Read 1 time) previous topic - next topic


Congratulations to the Arduino team for the Arduino ARM monster!

I want to build my own W5100 and Arduino network card. Using 3v3 at the uP I need to install the voltage level-converter for the SPI port?

If the response is yes, what are those devices that can run this function?

Best Regards!!


The W5100 runs on 3.0V to 3.6V so you don't need any conversion to connect it to a 3.3V processor.  The inputs are also "5V Tolerant" so you don't need any conversion to connect it to a 5V processor.

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