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How does the PIC® MCU connect to an I2C device?

April 26, 2017Connect device i2c mcu

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How does the PIC® MCU connect to an I2C device?

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Two I/O lines are required for I2C. Both lines must have pull up resisters. Often the I2C device will have a H/W selectable address. The address set must match the address in S/W. The example programs all assume the selectable address lines are grounded.