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Original question:

CC2652R: SPI slave driver with minimal latency

CC2652R: SPI slave using 3 pin mode

Ivan Sojic
Prodigy 50 points

Part Number: CC2652R
Other Parts Discussed in Thread: SYSCONFIG

Hi,

I am trying to activate "Three pin" mode for SPI slave. SysCnf give that option, but it seems is doesn't work.

How I can implement "Three pin" mode for SPI slave using driverlib?

Thanks, Ivan

  • 0
    TI__Guru**** 222767 points

    Hi Ivan,

    What do you mean when you say that three-pin mode does not work for a SPI slave as established in SysConfig?  As mentioned in the SPI.h TI Driver Runtime API, the application would need to handle the chip select control when using software CS/3-pin mode.  As mentioned in the prior thread, you would need to refer to the how the SPI TI Driver, <SDK>/source/ti/drivers/spi, interacts with the driverlib to further understand how it can be used directly.  Here is the ssi.h Driverlib reference as well.

    Regards,
    Ryan