What are the hardware description languages ​​that comply with IEEE standards?

What are the hardware description languages ​​that comply with IEEE standards?

The hardware description languages ​​that comply with IEEE standards are: VHDLandVerilog HDL

##1. VHDL:

Features:

a) Powerful function and flexible design

b) Extensive support and easy modification

c) Powerful system hardware description capability

d) Independent of device design and process-independent

e) Strong transplantation ability

f) Easy to share and reuse

2. Verilog HDL

Verilog comes from C language, easy to learn and use, programming The style is flexible and concise, and has many users, especially in the ASIC field;

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Knowledge Expansion

Hardware Description Language (English: Hardware Description Language, abbreviation: HDL) is a language for electronic system hardware behavior description, structure description, and data flow description. Using this language, the design of digital circuit systems can describe their design ideas layer by layer from top to bottom (from abstract to concrete), using a series of hierarchical modules to represent extremely complex digital systems. Then, electronic design automation (EDA) tools are used to conduct simulation verification layer by layer, and then the module combinations that need to be turned into actual circuits are converted into gate-level circuit netlists through automatic synthesis tools. Next, use application-specific integrated circuit ASIC or field programmable gate array FPGA automatic placement and routing tools to convert the netlist into the specific circuit wiring structure to be implemented.

Hardware Description Language HDL has been developed for more than 20 years and has been successfully used in all stages of design: modeling, simulation, verification, synthesis, etc. By the 1980s, hundreds of hardware description languages ​​had emerged, which greatly promoted and promoted design automation. However, these languages ​​are generally oriented to specific design fields and levels, and the numerous languages ​​make users confused. Therefore, there is an urgent need for a design-oriented multi-domain, multi-level and universally recognized standard hardware description language. In the late 1980s, the VHDL and Verilog HDL languages ​​adapted to the requirements of this trend and became IEEE standards.

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