| 摘要 |
PURPOSE: A data transmission device is provided to mount a data converter for converting plural parallel data into serial data, in order to quickly send data necessary for an LCD module through a minimum serial data line, thereby reducing the number of data lines mounted on an F-PCB. CONSTITUTION: A main controller(210) generates an LCD clock signal, an LCD control signal, and a reset signal, and provides a supply voltage with a ground voltage, then generates/outputs plural data signals including terminal display information. A data converter(220) receives the plural data signals in parallel, and converts into high-speed serial data. An F-PCB(230) comprises a control line, a power line, and a data line, transmits the LCD clock signal, the LCD control signal, and the reset signal to the control line, and sends the supply voltage with the ground voltage to the power line while forwarding the high-speed serial data through the data line.
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