Using multiple Software UARTS using different bitrates in Xilinx Spartan 3E

[adwnis123]

Hello, is it possible to have (multiple) Software UARTs in a FPGA? Because the FPGA has a default, but I need 3 UARTs total.

 

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What do you mean by software UARTs? Unless you implement an embedded processor in an FPGA you don't run software on an FPGA, so there can't be a software UART in the FPGA.

You can easily implement as many hardware UARTs in an FPGA until your run out of pins or logic.

Please clarify your question.

 

[adwnis123]

What do you mean by software UARTs? Unless you implement an embedded processor in an FPGA you don't run software on an FPGA, so there can't be a software UART in the FPGA.

You can easily implement as many hardware UARTs in an FPGA until your run out of pins or logic.

Please clarify your question.

Ok. I mean hardware UARTs then. Is there any sample code?

It is better to program them in VHDL or Verilog?

 

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Ok. I mean hardware UARTs then. Is there any sample code?

One instance of code easily found using google.
https://www.fpga4fun.com/SerialInterface.html

It is better to program them in VHDL or Verilog?

A question like this is similar to a question like which soda is better to drink, Coke or Pepsi? It all depends on who you ask.

As a general rule on any programming/coding language:
The best language to use is the one you already know or know the best.