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LMX2594: 2594

Dim Dom
Prodigy 170 points

Part Number: LMX2594

Hallo

I loading all regs calculated by Ticspro to lmx2594., it works. after I try change freq ( I compared two regs files and only one 0x24 regs different) . I send by SPI new value of reg)x24, but no changing. Do need send optional regs? Witch procedure ?

BR

Dim

  • 0
    TI__Genius 11900 points

    Hello Dim,

    You are changing the PLL_N divider is this correct?

    After changing registers that change PLL settings, it is important to initialize another calibration.

    Write 1 to register R0[3] (register 0x0 bit 3) to activate a VCO calibration.

    Thanks,

    Vibhu