Hardware Functions; Setting Up Display Device; Setting Up The Hdmi U-Boot Display Parameter - VIA Technologies VAB-820 Quick Start Manual

5. 5. 5. 5. Hardware Hardware

Hardware Functions

Hardware

5.1. Setting Up Display Device

The VAB-820 Android BSP v4.0.2 supports the following display devices:
•
HDMI monitor
•
AUO 10.4" G104XVN01.0 LVDS panel (1024 x 768)
•
AUO 7" G070VW01 V0 LVDS panel (800 x 480)

5.1.1 Setting Up the HDMI U-Boot display parameter

The default display device is HDMI monitor.
To set the HDMI monitor as the display output, use the following command:
=> setenv display 'run hdmi'
=> saveenv
The HDMI only supports CEA modes as shown in the table below.
For example, if you change the HDMI resolution to 1280x720@60Hz, use the following
command:
=> setenv hdmi_timing '1280x720M@60,bpp=32'
=> saveenv
Functions Functions Functions
Width Width Width Width Height Height Height Height
640 480
720 480
1280 720
1440 240
1440 480
1920 1080
720 576
1280 720
1440 288
1440 576
1920 1080
1920 1080
1920 1080
1920 1080
1280 720
1280 720
VAB- - - - 820 VAB VAB VAB 820 A A A A ndroid BSP v 820 820 BSP v BSP v4 4 4 4 .0.2 Quick Start Guide BSP v
Frame rate Frame rate Frame rate Frame rate
60
60
60
60
60
60
50
50
50
50
50
24
25
30
100
120
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