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Changing MOSI/MISO assigments Hercules TMS570LC4357

sanchezbjc_fi-iee
Intellectual 560 points
Other Parts Discussed in Thread: TMS570LC4357

Dear all,

I would like to know the possibility to change the function of the miso and mosi terminals in the mibspi3. I design a board with the MCU TMS570LC4357 but I identify a problem in the layout and I need to change the position of miso and mosi terminals, but first of this change I really like to know if exist a possibility to solve this problem in software.

Regards

Juan Carlos

  • 0
    TI__Guru 68920 points
    Hi Juan Carlos,

    No, unfortunately there isn't a way to handle this in software without switching the SPI from master to slave or vice-versa and I doubt that would work for you. You could look at the Half Duplex mode description to see if this might work for you but it's a different function than full duplex and so not equivalent to simply swapping SIMO/SOMI.

    -Anthony