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CCS/TLC5957: LOD Detect Circuit

Expert 3491 points
Part Number: TLC5957

Tool/software: Code Composer Studio

In the SLVUAF0 application note it says:

"If the OUTXn voltage is lower than the programmed voltage, the corresponding output LOD bit is set to '1' to indicate a opened LED. Otherwise, the output of that LOD bit is '0' (see Figure 22). LOD data output by a detect circuit are valid only during the ‘on’ period of that OUTXn output channel."

"The output of the LOD detect circuit is loaded into the 48-bit register called SID holder (Figure 23 shows the bit arrangement of this SID holder) at the rising edge of the 15th GCLK in each segment"

How do you gather this data to detect if there is an open?