Using Verilog for Synthesis of Digital Hardware
Chapter 7 is an introduction to the use of Verilog for the synthesis of digital hardware. The same hardware designs as Chapter 6 as modeled in Verilog. It is optional, but is included for those who would like an introduction to Verilog.
Verilog is another language that, like VHDL, is widely used to model and design digital hardware. In the early years, Verilog was a proprietary language developed by one CAD vendor, Gateway. Verilog was developed in the 1980’s and was initially used to model high-end ASIC devices. In 1990, Verilog was released into the public domain, and Verilog now is the subject of IEEE standard 1364. Today, Verilog is supported by numerous CAD tool and programmable logic vendors. Verilog has a syntax style similar to the C programming language. Schools are more likely to cover VHDL since it was in the public domain several years earlier; however, in the FPGA industry, VHDL and Verilog have an almost equal market share for new design development.
Conventional programming languages are based on a sequential operation model. Digital hardware devices by their very nature operate in parallel. This means that conventional programming languages cannot accurately describe or model the operation of digital hardware since they are based on the sequential execution of statements. Like VHDL, Verilog is designed to model parallel operations.
KeywordsRapid Prototype Synthesis Tool Logic Synthesis Digital Hardware Programmable Logic Device
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