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Original question:

LMK04826BEVM: LMK04826 not locking

LMK04826: Lock detect resistors for readback

Youngho Suh
Intellectual 540 points

Part Number: LMK04826

Hi,

I would like to know lock detect signals (LD1 and LD2) register and bits to check lock status. At EVB, there are LEDs for lock status checking and similarly I would like readback the register to check PLLs' locking. Would you please let me know which register and bit value I need to look?

Thanks,

Youngho

  • 0
    TI__Genius 12705 points

    Hello,

    For the EVM there are two status pins are used to trigger the LEDs.  See section 9.1.2 of the datasheet for description of the status pins.

    The monitor output for these pins are set in register 0x15F and 0x16E

    Regards,

    Liam