a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9325
7.5.1. RGB Interface
The display operation via the RGB interface is synchronized with the VSYNC, HSYNC, and DOTCLK signals.
The RGB interface transfers the updated data to GRAM with the high-speed write function and the update
area is defined by the window address function. The back porch and front porch are used to set the RGB
interface timing.
Back porch
period (BP[3:0])
RAM data display area
Display period
(NL[4:0]
Moving picture
display area
Front porch
period (FP[3:0])
HSYNC
Note 1: Front porch period continues until
the next input of VSYNC.
DOTCLK
Note 2: Input DOTCLK throughout the
operation.
ENABLE
DB[17:0]
Note 3: Supply the VSYNC, HSYNC and
DOTCLK with frequency that can meet the
resolution requirement of panel.
Figure15 GRAM Access Area by RGB Interface
The information contained herein is the exclusive property of ILI Technology Corp. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
Page 39 of 111
Version: 0.35