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TLC5955: what's the minimum GSLCK for TLC5955 that's required ?

Rocson He
Intellectual 1830 points
Part Number: TLC5955

Hi Team,

I have customer that would like to use TLC5955 for panel local dimming.

And they would like to use the MCU to output the PWM as reference GSCLK, is it OK, or external crystal required ?

And, for the MCU, the max PWM frequency could only be 20M. What's the min GSLCK that TLC5955 requires ? I only see one 33MHz max in spec.

Thanks.

  • 0
    TI__Genius 14295 points
    Hi, Rocson,

    GSCLK has maximum limitation but no minimum limitation.

    20M is also OK but GSCLK impacts the refresh rate.

    If you have more information and questions, you can send me emails: kenneth-du@ti.com.

    Thanks.
    Regards,
    Kenneth