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vimalab
Explorer
Explorer
1,864 Views
Registered: ‎10-14-2014

FPGA board layout

Good morning all 

 

Am new to board layout of FPGA. I have no idea about it. I want to learn board layout for configuration clock.

 

Can any one please tell me about it or send me the any document i need to refer for this?

 

Thank you in advance

 

Regards

Vimala

 

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3 Replies
austin
Scholar
Scholar
1,850 Views
Registered: ‎02-27-2008

v,

 

Look at the schematics on xilinx.com for the boards we offer.

 

Also consult the cnfiguration user's guide for the device you wish to you,

 

 

Austin Lesea
Principal Engineer
Xilinx San Jose
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umamahe
Xilinx Employee
Xilinx Employee
1,825 Views
Registered: ‎08-01-2012

Based on  your previous posts I am guessing that you are using Spartan-3AN. In that case refer the schematic & gerber files in the below SP-3AN board link

http://www.xilinx.com/products/boards-and-kits/hw-spar3an-sk-uni-g.html#documentation

 

The main basic requirement for configuration clock layout routing are below

 

1) Impedance matching & control impedance routing

2) Lesser length as much as possible

3) Lesser number of PTH'S

 

If possible you can run IBIS simulations to check Signal Integrity (SI) problems. Also the below check list is useful to minimize mistakes

http://www.xilinx.com/support/documentation/tutorials/xtp031_FPGA_System_Design_Checklist.pdf

 

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vimalab
Explorer
Explorer
1,819 Views
Registered: ‎10-14-2014

Thank you sir

 

 

Regards

Vimala

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