Hi team,
What device does the digital video source use to input signal to the development board?
What kind of signal does the logic analyzer or oscilloscope observe?
The development board is SERDES24-35USB, and the digital video source is VG835.
Best regards,
Hi Michael,
There are two question.
1. Is the "parallel video source" mentioned in the above reply the resource mentioned in the red circle of the attached picture? The picture information is the vg835 manual found on the Internet.
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<p align="center"><b><font color="#FF0000" size="5"> VG-835</font><font color="#FF0000" size="4"> Programmable</font></b><font color="#FF0000" size="4"><b>
Video Signal Generator</b></font></p>
<p align="center"><img border="0" src="./VG-835 Programmable Video Signal Generator 数字视频信号发生器 阿斯拓洛 Astrodesign_files/VG-835.jpg" width="270" height="220"></p>
<p align="left"><font face="Arial Unicode MS" color="#FF00FF">10-bit Digital
Output Supported Programmable Video Signal Generator</font></p>
<p align="left"><font face="Arial Unicode MS" color="#000080">LVDS digital
super-high-gradation 10-bit output<br>
The new VG-835 is a programmable signal-generator that supports super-high
gradation LVDS output (RGB 10-bit each). Deeper graduation has been realized to
satisfy requirements for flat panel displays like PDPs where gradation is
growing and expanding to ultra-high-density.<br>
</font><font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="-1"><br>
</font></p>
<p align="left"> </p>
<p align="left">
<font style="line-height: 13px" face="Arial Unicode MS" color="#666666" size="4">
･</font><font style="line-height: 13px" face="Arial Unicode MS" color="#cc0000" size="4">Features</font></p>
<p align="left"><font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular">
<font color="#FF0000">･Wideband Clock range</font><br>
Dot clock 20 - 180 MHz at LDVS 10bit output, 25 - 300MHz(dual link) at TMDS 8bit
output, supports a wide range and broodband.<br>
<font color="#FF0000"><br>
･Range of output modes</font><br>
The range of output modes includes; output 10bit data pattern via LDVS, output
8bit data pattern after affine transformed to 10bit, 10bit lamp pattern (1024
gradation), etc.<br>
<br>
<font color="#FF0000">･More functions by adding optional boards</font><br>
By mounting an optional board the Video Signal Generator can support LDVS 4ch
output (8bit model) and a parallel 4ch output (8bit model). <br>
* The number of boards that can be added is limited to one.<br>
<br>
<font color="#FF0000">･Data array program function</font><br>
Allows a user to arbitrarily program an LVDS data array. A user can, in this
manner, cope with specifications requiring a test-object display device.<br>
<br>
<font color="#FF0000">･Ethernet adopted for outside interface</font><br>
Ethernet and RS-232C have been adopted for external interface. By supporting
Ethernet, the signal generator is now capable of performing batch control of
multiple VG units.<br>
<br>
<font color="#FF0000">･Equipped with scroll and simple animation imaging
functions</font><br>
Equipped with a 1-dot level horizontal and vertical display pattern scroll
function. It can also be used to store multiple animation images with respect to
resolution and display them by moving a display start coordinate control.<br>
<br>
<font color="#FF0000">･Editing via PC Card </font><br>
An ATA compliant Compact Flash Card has been adopted as a recording medium.
Program Bitmap data editing can be saved directly to a PC without using VG.</font></p>
<p align="left"> </p>
<hr>
<p> </p>
<table cellspacing="0" cellpadding="0" width="885" border="0">
<tbody><tr>
<td width="885"><font color="#cc0000" size="4">
<font style="line-height: 13px" face="Arial Unicode MS">Specifications</font></font><b><br>
</b></td>
</tr>
</tbody></table>
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<table cellspacing="0" cellpadding="0" width="610" border="0">
<tbody><tr>
<td>
<table cellspacing="1" cellpadding="0" border="1">
<tbody><tr valign="top">
<td nowrap="" rowspan="6">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Output specifications</font></td>
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">Dot
Clock Frequency / step</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">DVI :
25 to 300MHz / 10KHz step<br>
LVDS : 20 to 300MHz / 10KHz step<br>
LVDS(10bit) : 20 to 180MHz / 10KHz step<br>
Parallel : 100KHz to 300KHz / 10KHz step</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Horizontal timing Frequency<br>
setting sccuracy</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">Less
than 100MHz : 1 dot level<br>
100 to 200MHz : 2 dot unit<br>
200 to 300MHz : 4 dot unit</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Horizontal timing Frequency / dot</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">10 to
300MHz / 8192 dots max.</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Vertical timing Perpendicular<br>
frequency / scanning line</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">15.6
to 200Hz / 8192 dots max.</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Image memory / simultaneous<br>
chromophores BitMap</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">4k ×
4k × 24bits / 16.770.000 colors</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Wind plane / character plane</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Window setinng with register - 1 of 16.770k colors</font></td>
</tr>
<tr valign="top">
<td nowrap="" rowspan="4">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
output</font></td>
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">DVI</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">75Ω
fixed<br>
0.3 to 1.2V</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Parallel(output)</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">1ch :
100KHz～100MHz<br>
2ch : 5 to 200MHz<br>
4ch : 5 to 300MHz</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
LVDS 4ch(output)</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">1ch :
20 to 85MHz<br>
2ch : 40 to 170MHz<br>
4ch : 80 to 300MHz<br>
Devided picture drawing function(when 1/2,1/4 output)</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
LDVS 10bit(2ch)</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">1ch :
20 to 90MHz<br>
2ch : 40 to 180MHz</font></td>
</tr>
<tr valign="top">
<td nowrap="" rowspan="7">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
General specification</font></td>
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
voltage</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">AC100
to 120V , 200 to 240V (50 to 60Hz)</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Power consumption</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
MAX.130W</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Operetion temperature</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">+5 to
40℃</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Storage temperature</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">-10
to 60℃</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Humidity</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">30 to
80%RH(non-condensing)</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Dimensions</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
430(W)×88(H)×350(D) (excluding projected parts)</font></td>
</tr>
<tr valign="top">
<td nowrap="" colspan="3">
<div align="right">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Weight</font></div>
</td>
<td nowrap="">
<font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" size="2">
Approx.8kg</font></td>
</tr>
</tbody></table>
</td>
</tr>
</tbody></table>
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2. Because the vg835 has been discontinued, we found the vg870b to replace it. Please confirm the information in the attachment, that is, whether the vm1816 module of vg870b meets the test requirements of the development board serdes24-35usb.
Best regards,