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Original question:

TLC5955: Software of TIDA-01591

TLC5955: TLC5955 LED driver Daisy-Chain

Gabriel Wang1
Genius 4725 points
Part Number: TLC5955

TLC5955 uses daisy-chain for series control.

Will there be a Data Shift when Data passes from IC1 SO to IC2 SI?Or is it the same information that keeps passing?

Are there any examples or timings for daisy-chain control that you can refer to?

  • 0
    TI__Genius 12915 points

    Hi Gabriel,

    Sorry that we have no reference design for multiple units.

    Here is shift register inside TLC5955. All data passed through from LSB(SIN) to MSB(SOUT). So the data will pass from IC1 SO to IC2 SI.

    Here is a reference code controlling multiple units for TLC6C5748, which is auto version of TLC5955, that may help you.

    TLC6C5748_Q1_Sample_Code.zip