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X-NUCLEO-IDW01M1 -WHY level shifter is used in the board

Question asked by chaitanya jasti on Feb 28, 2017
Latest reply on Feb 28, 2017 by Clive One



In x-NUCLEO-IDW01M1 -WHY level shifter(3.3v to 2.5v ) is used in the board?

RTS and CTS are tolerent to 5v but it is shifted to 2.5v,why?