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How to Implement RS232 with Xilinx ISE

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153rd

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Hi guys,

I'm doing a project for school. I do not need coding examples...

What I want to know is the following: If I have the code done, tested and everything.

How do you tell Xilinx/ the FPGA that this code is to be linked to the RS-232 port on a Spartan 3E xs3500 FPGA?

I've tried out PlanAhead and the FPGA editor. Anyone have an idea?

Thx for reading!
 

153rd said:
How do you tell Xilinx/ the FPGA that this code is to be linked to the RS-232 port on a Spartan 3E xs3500 FPGA?
Click to expand...

There is no such thing as an RS-232 port on a Spartan. I think what you're asking is: 'how do I route my design such that it uses the pins that connect to my external RS232 transceiver?'

Assuming you are using Xilinx ISE, you need to add a constraint file that specifies pin locations for each I/O in your design.

Siskin
 

Ahh... Allright, That I know how to do. Thanks a lot!
 

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