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LMK04832: Default Communication

David C
Expert 3350 points
Part Number: LMK04832


Hello,l

The SW guys are working on getting SPI up and running, but having some issues.  We thought we connected the LMK04832 so it would do normal SPI (MOSI/MISO on STATUS_LD2/CLK/CS) vs 3 wire SPI,  Or will it default to the 3 wire until we program it?

  • 0
    TI__Mastermind 33880 points

    Hi David,

    Table 6 for register R0 shows that 3-wire mode is enabled on startup by default. Set R0[4]=1 to disable 3-wire mode. Then, Table 43, Table 44, and Table 45 show how to configure CLKin_SEL0, CLKin_SEL1, or RESET/GPO pins for SPI readback. Any combination of these pins can be configured as the SDO pin.

    Regards,