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Explorer
Explorer
1,657 Views
Registered: ‎08-31-2016

Using LVDS LCD Display

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Hi,

 

I am planning to use a LCD touch display with LVDS interface in my design.

 

How can I interface the frame reader output (Axi stream) to LVDS interface as required by my LCD display?

Is there any IP block to be used?

 

Regards,

Vinay Shenoy

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1 Solution

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Scholar watari
Scholar
2,049 Views
Registered: ‎06-16-2013

Re: Using LVDS LCD Display

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Hi @vinay_shenoy

 

I guess it seems that your question is how do I describe FPD link Tx with Xilinx IP.

If yes, would you refer the following URL ?

 

https://www.xilinx.com/support/documentation/application_notes/xapp585-lvds-source-synch-serdes-clock-multiplication.pdf

 

Best regards

7 Replies
Moderator
Moderator
1,583 Views
Registered: ‎11-09-2015

Re: Using LVDS LCD Display

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Hi @vinay_shenoy,

 

To convert from AXI4S to native video you can use the AXI4S to video out IP. See PG044 for reference.

 

Hope that helps,

 

Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
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Moderator
Moderator
1,538 Views
Registered: ‎11-09-2015

Re: Using LVDS LCD Display

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Hi @vinay_shenoy,

 

Do you have evetyrhing you need on this? If this is the case, please kindly close the topic by marking a reply as accepted solution.

 

Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
**~ Don't forget to reply, give kudos, and accept as solution.~**
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Explorer
Explorer
1,518 Views
Registered: ‎08-31-2016

Re: Using LVDS LCD Display

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Hi,

Native video out has to be converted to LVDS format as required by the LVDS Display. I am unsure whether I need to do this in RTL or I can use any other Xilinx IP cores.

Thanks,
Vinay
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Moderator
Moderator
1,514 Views
Registered: ‎11-09-2015

Re: Using LVDS LCD Display

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Hi @vinay_shenoy,

 

LVDS is only an ouput standard. The termination is handled by the FPGA when you assign the correct one in your constraint file.

 

Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
**~ Don't forget to reply, give kudos, and accept as solution.~**
Xilinx Employee
Xilinx Employee
1,511 Views
Registered: ‎08-01-2007

Re: Using LVDS LCD Display

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Typically LVDS Video is "native" video format in terms of the signals (i.e. HSync, VSync, HBlank, VBlank, Active Video), but uses the LVDS IO Standard.  To set the LVDS IO Standard you would use the Pin Planning tools to create constraints that set the correct IO Standard.  It is best to read the data sheet for your LVDS LCD Display to confirm the specific requirements.

Chris
Video Design Hub | Embedded SW Support

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Scholar watari
Scholar
2,050 Views
Registered: ‎06-16-2013

Re: Using LVDS LCD Display

Jump to solution

Hi @vinay_shenoy

 

I guess it seems that your question is how do I describe FPD link Tx with Xilinx IP.

If yes, would you refer the following URL ?

 

https://www.xilinx.com/support/documentation/application_notes/xapp585-lvds-source-synch-serdes-clock-multiplication.pdf

 

Best regards

Moderator
Moderator
1,442 Views
Registered: ‎11-09-2015

Re: Using LVDS LCD Display

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Hi @vinay_shenoy,

 

If everything is clear for you, please kindly close the topic by marking a reply as accepted solution.

Thanks and Regards,


Florent
Product Application Engineer - Xilinx Technical Support EMEA
**~ Don't forget to reply, give kudos, and accept as solution.~**
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