I2C between PIC18F4550 (Master) and Atmega 328P

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This topic contains 1 reply, has 2 voices, and was last updated by  Ligo George 1 month ago.

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  • #13428

    Márcio Marques
    Participant

    Hi everyone,

    I have a problem with I2C connection between my PIC 18F4550 and Atmega 328p (Arduino Uno). In PIC I have 20Mhz XTAL and in Atmega also. I think that the problem is in Atmega(Slave), because when i run the program in PIC, the SDA and SCL  works well ( i see this in oscilloscope). I´m using XC8 and I2C.h.

    #13434

    Ligo George
    Keymaster

    Hi,

    Kindly post your circuit diagram and all the codes here.

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