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EEPROM chip software reset via F28069 I2C bus

Fei Pan
Intellectual 620 points

Hello all,

My EEPROM chip requires the DSP to send the following signal to reset it:

Does anyone know how to do that on F28069. Using I2C free data mode might be a good solution. But how to deal with the ACK bit and how to deal with transmitting 9 bits of "1".

Thanks

Fei

  • 0
    TI__Expert 8950 points
    Fei,

    I think it would be easiest to toggle the I2C pins manually in GPIO mode. Configure the pins as open-drain outputs in the GPIO control registers, then set the mux bits for those pins to zero. This will let you toggle the pins.