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Tech Articles

Welcome to the Sigasi tech article collection!

These posts handle various topics related to our technology and its use in your environment. Don’t hesitate to Contact Sigasi with any questions regarding the contents of these articles.

Recent Articles

How to code resets in Verilog

In digital design, resets are used to bring a circuit into a predefined state after power-up. This article focuses on how to design resets for synchronous digital circuits in Verilog and SystemVerilog.

2026-05-04

rtl verilog systemverilog

Verilog Assignments: blocking or non-blocking?

Verilog / SystemVerilog has two different assignment operators. One assignment operator is blocking, the other one non-blocking. In this article, we’ll discuss how they are different and when to use each of them. Note that we’re talking about assignments in procedures (always, initial etc.) only, and not about continuous assignments.

2025-10-27

verilog systemverilog

Setting up a VUnit project in VS Code

This article explains how to set up VUnit with the new Sigasi Project format. This method uses a scripted target to integrate VUnit’s compilation flow into Sigasi Visual HDL.

2025-10-09

All Articles

How to code resets in Verilog 2026-05-04
Verilog Assignments: blocking or non-blocking? 2025-10-27
Sigasi Visual HDL Preview (2026.1) 2025-10-17
Setting up a VUnit project in VS Code 2025-10-09
Getting started with verification in UVVM 2025-09-01
Insights into FSM Design Practice 2025-07-31
Signal Assignments in VHDL: with/select, when/else … 2025-06-05
Better call SAL 2024-08-07
Exploring GitHub Copilot 2023-12-04
Rapid Waveforms with GTKWave 2023-10-16
ANSI and Non-ANSI Port Declarations in Verilog 2023-08-02
Using VUnit for Real 2023-04-26
Using VUnit in a GitLab CI Verification … 2022-12-14
VUnit: managing input files and compile order 2022-09-29
VHDL 2019: Conditional Analysis 2022-08-02
Running UVM tests in VUnit 2022-06-28
7 reasons why you should try out our VS Code … 2022-05-16
Sigasi Visual HDL in your design flow, and vice … 2021-10-22
Build systems for HDL projects 2021-05-04
Case statements in VHDL and (System)Verilog 2020-12-17
Actual? Formal? What do they mean? 2020-10-14
Wildcards in sensitivity lists in VHDL and Verilog 2020-09-28
How to code reset in a synchronous VHDL process 2020-08-11
VHDL 2019: Usability and APIs 2020-06-18
VHDL 2019: Enhanced generic types 2020-06-16
VHDL 2019: Interfaces 2020-06-11
What's new in VHDL 2019? 2020-06-09
Records in VHDL: Initialization and Constraining … 2020-03-31
Finite State Machine (FSM) encoding in VHDL: … 2020-03-06
Recovering Verilog and SystemVerilog Parser 2020-01-31
Register Description Language SystemRDL 2.0 2019-04-23
Portable Test and Stimulus Standard Version 1.0 2018-06-27
Using the util package from Modelsim with VHDL … 2018-01-15
Array size mismatches with generic port widths 2018-01-09
VHDL IEEE 1076-2017 Grammar 2017-07-27
Property Specification Language (PSL) Grammar 2017-02-02
VHDL file encoding 2017-01-25
SystemVerilog IEEE 1800-2012 Grammar 2016-11-11
VHDL IEEE 1076-2008 Grammar 2016-09-22
VHDL Assert and Report 2015-02-02
Name shadowing in VHDL 2015-01-26
Use environment variables to set up External … 2014-10-24
To "to" or to "downto"... Ranges in VHDL 2014-09-05
How much time is spent on writing documentation … 2013-11-27
Why you need good documentation for your VHDL and … 2013-11-10
"Use" and "Library" in VHDL 2013-09-09
Three mistakes, three error markers 2012-09-21
Recovering VHDL Parser 2012-09-21
Dead code 2012-09-05
Deprecated IEEE Libraries 2012-05-15
Clock edge detection 2012-04-09
Advanced VHDL Configurations: Tying a component to … 2012-03-22
The scope of VHDL use clauses and VHDL library … 2011-12-14
VHDL case statements can do without the "others" 2011-10-24
Package and Package Body: in the same file or in … 2011-07-22
List of known VHDL metacomment pragma's 2011-04-28
VHDL Pragmas 2011-04-05

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