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how to use spi as microwire

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necromancer

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does anyone have an idea to implement microwire interface use spi
 

philba

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microwire is a subset of SPI. It expects data transfer on the clock rising edge and clock transitions in the middle of the data bit timing. also known as CPOL = 0, CPHA = 0

That said, most SPI implementations use this so it may just work. look at the datasheets for the two components and then try it. If you are bit-banging SPIU then you have no problems. Just look pay attention to the clock transitions. Bit banged SPI is "falling down easy".
 

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