Questions tagged [xdc]

Xilinx Design Constraints files (XDC) are TCL scripts, which define timing and physical constraints for the synthesis and implementation flow in Xilinx Vivado.

Filter by
Sorted by
Tagged with
0 votes
1 answer
192 views

Creating multiple Ring oscillators and placing them through Hard macro

I am trying to place multiple ring oscillators using XDC macros. I have been able to follow the steps on the video by Xilinx on XDC macros and it worked. However, I am facing errors and critical ...
Riokomoo's user avatar
5 votes
1 answer
590 views

How to estimate timing contraints for FPGAs?

I try to find out how to specify the timings restrictions in FPGA designs correctly (in .sdc/.xdc files). I know what setup and hold times mean. However: How do I find out, what timing constraints my ...
SDwarfs's user avatar
  • 680
1 vote
1 answer
537 views

Timing constraints for forwarded generated center-sampled clocks

Problem Description I am trying to figure out the "correct" way to constrain (in .xdc format - this is in Vivado) a forwarded source-synchronous clock that is generated (by division) from ...
YSl's user avatar
  • 11
0 votes
1 answer
332 views

GTP constraint for TX and RX

i want to use example design of GTP transceiver for my ARTIX 7, everything is fine but in the constraint xdc file, i could not find the TX and RX constraint, this is my constraint file, i want to know ...
Foad Hoseyni's user avatar
5 votes
1 answer
1k views

Interfacing FPGA to an external chip and timing constraints

I have designed a system using Artix-7 FPGA on a custom board. The goal is to transfer 32-bit data to an external onboard chip whose data bus is an inout port. ...
Vinay Madapura's user avatar
3 votes
3 answers
8k views

Quartus II - Can I include other files into a *.qsf file?

An Altera Quartus II project consists of one *.qpf and one or more *.qsf files. The qsf seems to be a TCL script like other EDA related settings and config files (e.g. xdc, sdc, ...). Is is possible ...
Paebbels's user avatar
  • 3,907
1 vote
1 answer
2k views

How should I translate old TIG statement from UCF to new Vivado XDC files?

I have a short UCF file with the following content: ...
Paebbels's user avatar
  • 3,907