| 摘要 |
A LED display system includes a display controller includes an output/input port; a plurality of driving circuits coupled in series, wherein a first one of the driving circuits is coupled to the output/input port; and a plurality of LED sets respectively coupled to the plurality of driving circuits. A plurality of image data, outputted from the display controller, are shifted to the plurality of driving circuits, respectively, in a first direction through the first one of the driving circuits when the display controller is in a displaying mode; and a plurality of status data, respectively generated by the plurality of driving circuits, are shifted to the display controller in a second direction through the first one of the driving circuits when the display controller is in a detecting mode.
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