App note: I2C interface connects compact flash Card to microcontroller

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CF cards needs a lot of I/O resources in order to communicate, here’s MAXIM’s solution(PDF) using their MAX7311 I/O expander to interface these type of data storage devices.

This application note explains how to use an I2C I/O extender to connect a compact-flash (CF) card to the I2C interface of a microcontroller. The software commands for reading and writing data are explained.

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