| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display which reduces EMI and current consumption in transfer of display data and a timing signal between chips and provides a proper timing margin. SOLUTION: In the transfer of the display data and the timing signal between chips using a plurality of data driver, a data driver 4 is used as a data driver. When the data driver 4 is used at a first stage, an IFM terminal is fixed to an "H" level and a receiver 20 inside functions as an RSDS receiver. A received RSDS signal becomes a CMOS signal by performing two frequency division by the receiver 20 and is outputted from a transmitter 30. In this case, a data inversion signal INV is generated and outputted with the transmitter 30. When the data driver 4 is used at a second stage and afterward, the IFM terminal is fixed to an "L" level and the receiver 20 inside functions as a CMOS receiver. A received CMOS signal is inversion controlled and outputted by the data inversion signal INV with the receiver 20 and the transmitter 30. COPYRIGHT: (C)2006,JPO&NCIPI
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