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R61509V Target Spec
Rev. 0.11 April 25, 2008, page 6 of 181
Description
The R61509V is a single-chip liquid crystal controller driver LSI for a-Si TFT panel, incorporating RAM
for a maximum 240 RGB x 432 dot graphics display, gate driver, source driver and power supply circuits.
For efficient data transfer, the R61509V supports high-speed interface via 8-/9-/16-/18-bit ports as system
interface to the microcomputer. As moving picture interface, the R61509V also supports RGB interface
(VSYNCX, HSYNCX, DOTCLK, ENABLE and DB17-0).
The power supply circuit incorporates step-up circuit and voltage follower circuit to generate TFT liquid
crystal panel drive voltages.
The R61509V’s power management functions such as 8-color display and shut down and so on make this
LSI an ideal driver for the medium or small sized portable products with color display systems such as
digital cellular phones or small PDAs, where long battery life is a major concern.