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LMX2594EVM: After wrote all registers couple of times, no VOC clock output from LMK61PDOA2.

Young Kim2
Prodigy 30 points
Part Number: LMX2594EVM
Other Parts Discussed in Thread: LMX2594

I wrote all registered few times and then there is not VCO output frequency that I could see anymore on TICS Pro board.

I purchased LMS2596EVM evaluation package ($499) and TICS pro board came with it. After I hooked up this pro board to LMX2593EVM board to send OSCinP signal, but never happen.

There was no signal passed to LMX2594 side from pro board. I was wondering whether this pro board has malfunction from the LMX61PDOA2 device.

Let me know how to debug and resolve this issue.

Both output OSC signals are not generating.

Thanks,

  • 0
    TI__Mastermind 33730 points

    Hello Young,

    Can you report the jumper settings on the Reference PRO board (the one with LMK61 device)? One of the jumper groups controls the output frequency, another controls the output format used, and a third controls the power settings. It is possible that the jumper settings were not set correctly, and the Reference PRO is not outputting a frequency, or the LMK61 device is not being powered from USB.

    Regards,