LCD interface (AXEL ULite)

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AXEL ULite-top.png Applies to AXEL ULite

Introduction[edit | edit source]

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[edit | edit source]

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[edit | edit source]