| 摘要 |
A data insertion circuit of a display apparatus includes a signal source, a switch unit and a control unit. The signal source is for providing a video driving signal. The switch unit has an output node coupled to a channel of the display apparatus, a first input node coupled to the signal source, and a second input node coupled to a control voltage for data insertion, and is for selectively outputting the video driving signal or the control voltage to the output node. The control unit is coupled to the switch unit, wherein when the display apparatus is in a normal mode, the control unit controls the switch unit to transmit the video driving signal to the display apparatus; and when the display apparatus is in a data insertion mode, the control unit controls the switch unit to transmit the control voltage to the display apparatus.
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