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LMK04806: Clock buffer mode operation

JH Shin
Guru 11160 points
Part Number: LMK04806
Other Parts Discussed in Thread: LMK01801

Hello,

Can all the clock outs of the LMK04806 bypass the internal PLL and be used only as a clock buffer?

If possible, could you provide an example setup?

Thank you.

JH

  • 0
    TI__Mastermind 33790 points

    Hi JH,

    Per the block diagram, this is possible:

    You would set the MODE field to clock distribution mode (R11[31:27] = 0x10). Then, the input on CLKin1 will be routed to the clock distribution path. However, this will only reach the 12 outputs that are available on the clock distribution path. The OSCout0 and OSCout1 outputs will not be accessible from the clock distribution path.

    You may want to take a look at the clock buffers portfolio, including the LMK01801 specifically. LMK01801 is a lower cost dedicated buffer/divider.

    Regards,

    Derek Payne