Video interfaces – ADLINK LittleBoard 735 User Manual
Page 41

Chapter 3
Hardware
LittleBoard 735
Reference Manual
35
Note: The shaded table cells denote power or ground.
Video Interfaces
The 82945GSE chip provides the graphics control and video signals for traditional glass CRT monitors and
LCD flat panel displays. The chip features are listed below:
VGA features:
•
Support for an integrated 400-MHz, 24-bit RAMDAC to drive a progressive scan analog monitor and
outputs to three, 8-bit DACs that provide the R, G, and B signals to the monitor
•
Support for resolutions up to QXGA (2048x1536)
•
Support for a maximum allowable video frame buffer size of 224MB UMA (Unified Memory
Architecture)
LVDS Flat Panel features:
•
Support for an integrated dual channel LFP Transmitter interface
•
Support for LVDS LCD panel resolutions up to UXGA(1600X1200)
•
Support for a maximum pixel format of 18 bpp with SSC supported frequency range from 25 MHz to
112 MHz (single channel/dual channel)
TV Out features:
•
Support for three integrated 10-bit DACS
•
Support for overscaling
•
Provide NTSC/PAL
•
Provide component, s-video, and composite output interfaces
•
Support HDTV: 480p/720p/1080i/1080p
11
MIC_GND
Microphone Audio ground
12
MIC2
Microphone In signal 2 or right channel
13
MIC_REF
Microphone reference signal
14
NC/KEY
Not Connected - Key
15
PHONE_IN
Phone signal In
16
PHONE_GND
Phone Audio ground
17
MONO_OUT
Monaural signal Out
18
MONO_GND
Monaural Audio ground
19
+AOUT_L
+ Audio Out signal Left channel
20
-AOUT_L
- Audio Out Left ground
21
+AOUT_R
+ Audio Out signal Right channel
22
-AOUT_R
- Audio Out Right ground
23
GND
Audio Ground (tied to all audio grounds)
24
HP_L
Headphone signal Left channel
25
HP_R
Headphone signal Right channel
26
NC
Not Connected (Headphone In)
Table 3-13. Audio Interface Pin Signals (J9) (Continued)