HD66781 Datasheet, PDF(141/196 Page) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

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HD66781 Datasheet, PDF (141/196 Pages) Renesas Technology Corp – 720-channel Source Driver for a-Si TFT/Low Temperature Poly-Si TFT Panels with 262,144-color display RAM

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HD66781

Timing chart of signals in 6-bit RGB interface mode

VSYNC

HSYNC

DOTCLK

Back porch period

1 frame

Front porch period

ENABLE

PD17-0

Preliminary

VSYNC

HSYNC

DOTCLK

HLW Ò 3CLK

1CLK

1H or more

1H

ENABLE

PD17-0

DTST Ò1CLK

RGBRGBRGBRGBRGBRGBRGB

Valid data

Note 1)VLW: VSYNC âLowâ period

HLW: HSYNC âLowâ period

DTST: Setup time for data transfer

Note 2) Write data in the high speed write mode (HWM = 1) in the RGB I/F mode.

Note 3) VSYNC, HSYNC, EVABLE, DOTCLK, and PD17-0 must be transmitted by 3 clocks.

Rev.0.5, July.31.2003, page 141 of 196

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