P1020/P1011 SPI Specific FAQs

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P1020/P1011 SPI Specific FAQs

P1020/P1011 SPI Specific FAQs

If SPI is not being used, how should SPI_CLK and SPI_MOSI be terminated in P1020/P1011?

SPI_CLK and SPI_MOSI should be pulled up, if not used.


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According to P1020 Design Checklist (AN4259), SPI_CLK should be pulled down with 1K to GND if not used. Can anyone confirm which is the correct way?

Also confused on this...

See comment from AP application team:

Both are correct and expecting both of them works fine. The general idea of terminating unused signal is to set it to inactive state.


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最后更新:
‎07-25-2012 10:39 AM
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