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Software I2C in slave mode

Archie Zhang

I want to simulate an I2C slave device using a generic 8051 MPU which doesn't have hardware I2C(not like 80C552). I know it is easy to implement software simulated I2C in master mode, but I want to turn my 8051 MPU to be a slave device. How can?

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  • 0 in reply to erik malund

    This was only a suggestion to keep in sync with quite slow software peripherals ( with a few dedicated IIC hardware " bit level " or even no dedicated hardware at all ) and with work to do before replying.
    Hardware for master take this extended clock as mandatory, but keep in mind that software masters have to test it. This protocol has not been developped for nothing.

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  • 0 in reply to erik malund

    This was only a suggestion to keep in sync with quite slow software peripherals ( with a few dedicated IIC hardware " bit level " or even no dedicated hardware at all ) and with work to do before replying.
    Hardware for master take this extended clock as mandatory, but keep in mind that software masters have to test it. This protocol has not been developped for nothing.

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