Design and Realization of 18 Bit per Pixel Display Driver Based on PXA270 Processor

Based on PXA270 processor and WinCE operating system,18 bit/pixel LCD display driver is designed according to the LCD function timings.The emphasis is about 18 bit/pixel Packed mode in frame buffer.The paper also introduces LCD controller,LCD interface circuit and PDD driver.Experiment shows that under the 18 bit/pixel Packed mode,picture quality is more bright and video is more fluent and test score win 745 by BMQ.