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Can I use the serial memory SPI or I2C interface for general I/O as well as for memory?

April 26, 2017i2c interface memory serial SPI

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Can I use the serial memory SPI or I2C interface for general I/O as well as for memory?

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No. The SPI or I2C serial memory interface is dedicated to managing one or two serial memory devices. To manage general device I/O, use one of the serial memory I/O models with the 12 available I/O pins (IO0..IO11).