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C6745 SPI

Thiyagarajan . S
Expert 2570 points
Other Parts Discussed in Thread: TMS320C6745

hi,

 Is it possible to send a 24 bit data transfer  by using TMS320C6745 SPI protocol................

Many Thanks,

Thiyagarajan.S

  • 0
    TI__Guru** 116170 points

    Programmable character length for SPI on C6745 can only be between 2-16 bits but if you transmit 24 bit data as 8 bit characters without any wait delay between 8 bit data ..you can transmit 24 bits. Not sure if this helps as you haven`t mentioned any details on the use case.

    Let us know if you have any follow up questions regarding this.

    Regards,

    Rahul

  • 0 in reply to Rahul Prabhu
    Expert 2570 points

    Hi Rahul,

       Here i attached my SPI Slave device timing diagram for your reference. if i transmit 24 bit data as a  3 8 bit data, then how  the slave device will understand as which one is device id or data, ?. am using SPI TFT. i first plan to display an image in TFT.  but its not working. if you well knowledge at SPI . please follow my post and reply.

    Many Thanks,

    Thiyagarajan.S