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VHDL information


VHDL
Paradigmconcurrent, reactive, dataflow
First appeared1980s
Stable release
IEEE 1076-2019 / 23 December 2019; 4 years ago (2019-12-23)
Typing disciplinestrong
Filename extensions.vhd
WebsiteIEEE VASG
Dialects
VHDL-AMS
Influenced by
Ada,[1] Pascal
  • VHDL Programmable Logic/VHDL at Wikibooks
VHDL source for a signed adder

VHDL (VHSIC Hardware Description Language) is a hardware description language that can model the behavior and structure of digital systems at multiple levels of abstraction, ranging from the system level down to that of logic gates, for design entry, documentation, and verification purposes. The language was developed for the US military VHSIC program in the 1980s, and has been standardized by the Institute of Electrical and Electronics Engineers (IEEE) as IEEE Std 1076; the latest version of which is IEEE Std 1076-2019. To model analog and mixed-signal systems, an IEEE-standardized HDL based on VHDL called VHDL-AMS (officially IEEE 1076.1) has been developed.

  1. ^ David R. Coelho (30 June 1989). The VHDL Handbook. Springer Science & Business Media. ISBN 978-0-7923-9031-2.

and 23 Related for: VHDL information

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VHDL

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VHDL (VHSIC Hardware Description Language) is a hardware description language that can model the behavior and structure of digital systems at multiple...

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IEEE 1164

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The IEEE 1164 standard (Multivalue Logic System for VHDL Model Interoperability) is a technical standard published by the IEEE in 1993. It describes the...

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NCSim

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NC VHDL ncvhdl Compiler for VHDL 87, VHDL 93 NC SystemC ncsc Compiler for SystemC NC Elaborator ncelab Unified linker / elaborator for Verilog, VHDL, and...

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List of free electronics circuit simulators

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- limited experimental support for Verilog and VHDL. Electronics portal List of HDL simulators for VHDL, Verilog, SystemVerilog, ... Espresso heuristic...

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List of HDL simulators

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expressions written in one of the hardware description languages, such as VHDL, Verilog, SystemVerilog. This page is intended to list current and historical...

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Hardware description language

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languages: VHDL and Verilog. There are different types of description in them: "dataflow, behavioral and structural". Example of dataflow of VHDL: LIBRARY...

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ModelSim

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Mentor Graphics,) for simulation of hardware description languages such as VHDL, Verilog and SystemC, and includes a built-in C debugger. ModelSim can be...

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Arithmetic shift

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other form will be automatically defined in terms of the provided one. The VHDL arithmetic left shift operator is unusual. Instead of filling the LSB of...

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Quite Universal Circuit Simulator

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behaviour of the circuit. Pure digital simulations are also supported using VHDL and/or Verilog. Only a small set of digital devices like flip flops and logic...

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Soft microprocessor

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Network-on-a-chip (NoC) Reconfigurable computing Field-programmable gate array (FPGA) VHDL Verilog SystemVerilog Hardware acceleration http://www.dailycircuitry...

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MicroBlaze

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implemented in VHDL, LGPL license MB-Lite+, implemented in VHDL, LGPL license myBlaze, implemented in MyHDL, LGPL license SecretBlaze, implemented in VHDL, GPL...

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Delta delay

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In VHDL simulations, all assignments to signals (a VHDL concept that represents a net connecting different components together) occur with some infinitesimal...

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SystemVerilog

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months ago (2023-12-16) Typing discipline Static, weak Filename extensions .sv, .svh Influenced by Design: Verilog, VHDL, C++, Verification: OpenVera, Java...

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Verilog

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of the words "verification" and "logic". With the increasing success of VHDL at the time, Cadence decided to make the language available for open standardization...

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Specman

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simulator (for design languages such as VHDL or Verilog.) To simulate an e-testbench with a design written in VHDL/Verilog, Specman must be run in conjunction...

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Hexadecimal

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uses Z'ABCD'. Ada and VHDL enclose hexadecimal numerals in based "numeric quotes": 16#5A3#, 16#C1F27ED#. For bit vector constants VHDL uses the notation x"5A3"...

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Electronic circuit simulation

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Probably the best known digital simulators are those based on Verilog and VHDL. Some electronics simulators integrate a schematic editor, a simulation engine...

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Numeric std

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numeric_std is a library package defined for VHDL. It provides arithmetic functions for vectors. Overrides of std_logic_vector are defined for signed and...

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Arithmetic logic unit

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from a description written in VHDL, Verilog or some other hardware description language. For example, the following VHDL code describes a very simple 8-bit...

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Icarus Verilog

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general improvements and bug fixes, added preliminary support for VHDL, but the VHDL support has been abandoned as of 2018. Not even the author quite remembers...

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Accellera

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merger of Open Verilog International (OVI) and VHDL International, the developers of Verilog and VHDL respectively. Both were originally formed nine years...

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1chipMSX

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emulation on a memory card, including support for booting MSX-DOS. Due to its VHDL programmable hardware, it's possible to give the device new hardware extensions...

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Electronic design automation

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DMV. In 1981, the U.S. Department of Defense additionally began funding of VHDL as a hardware description language. Within a few years, there were many companies...

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