DBSTRA full color controller ARM9,asynchronous
embedded control system introduction
Functions: 1、May connect with Dbstar 07 and 09 version receiving cards thus control bigger pixels. 2、 Support full color MPEG4/MP3 undamaged decoding. 3、Multi-window,multi-video playing, easily realize OSD, picture in picture, half-translucency effects. 4、Enhanced text technology, support multi-language Unicode coding and True Type letterform display. 5、Plug-in technology, provide text form, stunt,filters and so on extending, easy to second development.
6、Board holding FTP/HTTP server, open XML play menu.
7、support on-line streaming media playing, adopt Microsoft MediaEncoder, realize on-time inspection, screen capture,and other long-distance video synchronous playing functions.
8、Board holding 64M FLASH,meanwhile support SD/MMC、CF、U flash to extend storage.
Parameters:
Type |
Typical value |
Max value |
Supported screen type |
single color, dual-color,full-color, real pixel,virtual pixel. |
Supported LED drivers |
MBI5026/MBI5030/MBI5036/ MBI5039/MBI5042/LPD6803/DM413/DMX512/ZQL9726 |
Pixels by single sending card |
1280×1024(double ports) |
1920×1200(four ports) |
Number of receiving cards conected by cable |
<4 |
10 |
Pixels by single receiving cards |
256x192 |
512×384 |
Pixels connecting with receiving cards |
512 x256 |
640 x320 |
RGB data groups by single card |
16-24 |
24 |
Lines by one group RGB |
1/2/4/8/16 |
32 |
Grey grades |
4096(4k) |
65536(64k) |
Data CLK frequency |
15.62MHz |
31.25MHz |
Refresh rate |
90-180Hz |
>1200Hz(as MBI5042) |
Brightness wastage |
10~20% |
<10% |
PWM brightness adjust degree |
256(may automatically adjust by brightness sensor) |
Contrast, chroma,color temperature adjustment grade |
256 |
Electronic current plus brightness adjustment grade |
64/256(according to led drivers) |
Other functions |
Power on gradual protection 、OE Polarity switch protect screen scan tubes |
DBSTRA full color controller ARM9,asynchronous |