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Part Number: K2GICE
I am wondering why both K2G EVM and K2G ICE boards have pull up resistors for both QSPI_D2 and QSPI_D3 pins but not QSPI_D0 and QSPI_D1? Is it ok to add pull up for D0 and D1?
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As Yordan pointed out, these two pins are dual function and used as HOLD and WP in dual and serial I/O mode. Quad is not the default mode so they need to be pulled up until the QUAD bit is set in the configuration register. The part does have internal pulling resistors but I'm not very trusting so I added external resistors. Pull-up resistors are not needed for D0 and D1.
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