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  1. Cloud9TN

    Whats better for extra I/O, data bus based or I2C?

    Whats better for extra I/O, data bus based or I2C/SPI? I need lots of I/O on a project. What are the pros and cons of expanding my I/O with I2C vs the old style of using an 8bit wide data bus? Whats faster? Whats easier to design? Whats easier to write firmware for? I do realize I get...

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