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>>> from machine import Pin, SPI
>>> spi = SPI(2)
>>> spi.init(baudrate=6000000, polarity=0, phase=0)
>>> print(spi)
SPI(2, baudrate=5250000, polarity=0, phase=0, bits=8)
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>>> miso = Pin('B14', Pin.IN)
>>> miso.value()
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>>> spi.miso.value()