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Regarding µC suitable for High Speed mode I2C at 3.4 MHz

Avinash Gadde
Prodigy 10 points

In my application,I need to connect a slave to the µC using high speed I2C interface operating at 3.4 MHz.Could you please suggest me which MSP430 series is suitable to my application?

Regards

Avinash

  • 0
    Guru 227245 points

    Avinash Gadde said:
    which MSP430 series is suitable to my application?

    None. The hardware I2C modules support I2C only with up to 400kHz. And I doubt that even with 25MHz CPU clock you'll be able to do a 3.4MHz I2C by bit-banging.
    But if you're master, you define the clock, so maybe your applicaiton will run with less than 3.4MHz but whatever you are able to do in software.

    P.s.: The 5x family USCI module is able to do SPI with up to 25MHz in master and 12.5MHz in slave mode. Maybe an alternative way?

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