Field-Programmable Gate Arrays

Why Xilinx Ten Gigabit Ethernet PCS/PMA IP Core 32-bit version use less resources than 64-bit version?

The 32-bit version should have better latency performance but I think it's more complex, so it should use more resource...

1 comments posted 5yrs

posted by beyond2002

1 comments posted 5yrs posted by beyond2002

Measuring ps of delays in FPGAs

Hi FPGA Experts, How can we measure ps of delays in FPGA with minimum area and good accuracy ? Today's TDC (Time to Dig...

0 comments posted 5yrs

posted by gparthu

0 comments posted 5yrs posted by gparthu

How long does it take to fill up an array prior to sorting?

Most sorting algorithms I've noticed seem to have an interface somewhat lik e this: void someAlgorithm ( elemType[] ele...

4 comments posted 5yrs

posted by 10956290

4 comments posted 5yrs posted by 10956290

A loop problem which does not do what is expected

Hi, I have a problem that does not do what is expected. I have several modules linked together from top to bottom. Each...

9 comments posted 5yrs

posted by wtxwtx

9 comments posted 5yrs posted by wtxwtx

Enterpoint dev board manuals

Hi folks, It looks like Enterpoint (www.enterpoint.co.uk) has closed down. I've got one of their Drigmorn2 dev boards a...

0 comments posted 5yrs

posted by philpem

0 comments posted 5yrs posted by philpem

How to eliminate a troublesome warning from ModelSim

Hi, From the first day when I started using ModelSim, a troublesome warning from ModelSim accompanies me each time I us...

0 comments posted 5yrs

posted by wtxwtx

0 comments posted 5yrs posted by wtxwtx

How to run ModelSim overnight with display off

Hi, I want to run ModelSim overnight when I am sleeping. How to run an application overnight with the display off in th...

9 comments posted 5yrs

posted by wtxwtx

9 comments posted 5yrs posted by wtxwtx

How to turn off cursor note pane when cursor stops at wave pane of ModelSim

Hi, How to turn off the cursor note pane when the cursor stops at the wave pane of ModelSim during simulation? A cursor...

2 comments posted 5yrs

posted by wtxwtx

2 comments posted 5yrs posted by wtxwtx

All my PDF files suddenly become Chrome HTML Document! Why?

Hi, Overnight all my PDF files suddenly become Chrome HTML Document! Why? Are there some new things happening with Adobe...

17 comments posted 5yrs

posted by wtxwtx

17 comments posted 5yrs posted by wtxwtx

Notepad++ is an excellent editor for coding VHDL

Hi, In the working process for my private project, I use free Notepad++ to code VHDL code and appreciate it very much!...

1 comments posted 5yrs

posted by wtxwtx

1 comments posted 5yrs posted by wtxwtx

Using MachXO2 as a SRAM device

Hi, I have an application where replacing the configuration of the FPGA will occur frequently and hence I do not want t...

0 comments posted 5yrs

posted by peter.pan

0 comments posted 5yrs posted by peter.pan

Intel ModelSim Starter Edition is available free now!

Hi, Intel ModelSim Starter Edition is available free now! https://fpgasoftware.intel.com/ 10,000 line code limit, VHDL-...

18 comments posted 5yrs

posted by wtxwtx

18 comments posted 5yrs posted by wtxwtx

How to increase data of std_logic_vector by 1 in VHDL-2002

Hi, It is a long time headache for me to increase a data of std_logic_vector by 1. Here are examples: LIBRARY ieee; USE...

8 comments posted 5yrs

posted by wtxwtx

8 comments posted 5yrs posted by wtxwtx

How to start with FPGA as "coprocessor"

Hi, I have a certain interest in a mathematical puzzle that I have not been able to solve using a normal CPU, and I tho...

18 comments posted 5yrs

posted by tkoenig

18 comments posted 5yrs posted by tkoenig

VHDL2019 Webinars

In case you missed it Aldec (Jim Lewis) is doing a webinars series on VHDL2019. https://www.aldec.com/en/company/events...

8 comments posted 5yrs

posted by hans64

8 comments posted 5yrs posted by hans64