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beagle board (AM335x processor) I2C module communication with i2c port expander (TCA6416)

Keldy
Expert 1835 points
Other Parts Discussed in Thread: TCA6416

hello all,

i'm a beginner, i using beaglebone Rev A3 (AM 335x proxessor)  with arago image, how do i using the onboard I2C-1 module communicate with i2c port expander (TCA6416) ? how to memory map I2C registers ,configuring the I2C registers, send and read data by using c programming in ubuntu ?

Thanks in advance.

Choon