User manual

Display Expansion Board - User’s Guide
Page 16
Copyright 2012 © Embedded Artists AB
4.6.3 Settings for 480p (720x480 px, 60Hz)
The code listing below contains the LCD controller settings for the controller that is used on many LPC
processors.
static const LCD_PARAM_T _720x480_27_027MHz_60Hz =
{
60, /* Horizontal back porch */
16, /* Horizontal front porch */
62, /* HSYNC pulse width */
720, /* Pixels per line */
30, /* Vertical back porch */
9, /* Vertical front porch */
6, /* VSYNC pulse width */
480, /* Lines per panel */
0, /* Do not invert output enable */
1, /* Invert panel clock */
1, /* Invert HSYNC */
1, /* Invert VSYNC */
1, /* AC bias frequency (not used) */
16, /* Bits per pixel */
0, /* Optimal clock rate (Hz). Use external 27MHz (27.027MHz) clock */
TFT, /* LCD panel type */
0, /* Single panel display */};
4.6.4 Settings for SVGA (720x576 px, 50Hz)
The code listing below contains the LCD controller settings for the controller that is used on many LPC
processors.
static const LCD_PARAM_T _720x576_27MHz_50Hz =
{
66, /* Horizontal back porch */
16, /* Horizontal front porch */
62, /* HSYNC pulse width */
720, /* Pixels per line */
34, /* Vertical back porch */
9, /* Vertical front porch */
6, /* VSYNC pulse width */
576, /* Lines per panel */
0, /* Do not invert output enable */
1, /* Invert panel clock */
1, /* Invert HSYNC */
1, /* Invert VSYNC */
1, /* AC bias frequency (not used) */
16, /* Bits per pixel */
0, /* Optimal clock rate (Hz). Use external 27MHz clock */
TFT, /* LCD panel type */
0, /* Single panel display */
};