LCD interface (AXEL ULite)

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AXEL ULite-top.png Applies to AXEL ULite

Introduction

i.MX6UL processor on AXEL ULite system-on-module (SOM for short) has a general purpose display controller to drive a wide range of display devices with different resolution and bpp (bit-per-pixel) configuration.

Please refer to i.MX 6UltraLite Applications Processor Reference Manual chapter eLCDIF Pin Usage by Interface Mode for more information on LCD interface usage

Pin mapping

LCD signals configurations for the most used 18 and 24 bpp are detailed in the following table.

Signal name 18 bpp 24 bpp SOM pin number
LCD_ENABLE DE DE 124
LCD_VSYNC VSYNC VSYNC 128
LCD_HSYNC HSYNC HSYNC 130
LCD_CLK CLK CLK 132
LCD_D00 B0 B0 134
LCD_D01 B1 B1 136
LCD_D02 B2 B2 138
LCD_D03 B3 B3 140
LCD_D04 B4 B4 142
LCD_D05 B5 B5 144
LCD_D06 G0 B6 148
LCD_D07 G1 B7 150
LCD_D08 G2 G0 152
LCD_D09 G3 G1 154
LCD_D10 G4 G2 156
LCD_D11 G5 G3 158
LCD_D12 R0 G4 160
LCD_D13 R1 G5 162
LCD_D14 R2 G6 166
LCD_D15 R3 G7 168
LCD_D16 R4 R0 170
LCD_D17 R5 R1 172
LCD_D18 x R2 174
LCD_D19 x R3 176
LCD_D20 x R4 178
LCD_D21 x R5 180
LCD_D22 x R6 182
LCD_D23 x R7 184

The DOTCLK interface is popularly called the RGB interface if the ENABLE signal is present. The RGB interface has programmable timing and parameters for supporting a wide variety of displays.


References