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How do you synthesize VHDL?
Synthesis involves taking some higher level description down to a lower level description. For example – taking VHDL code and producing a netlist that can be mapped to an FPGA. In CS120b we will be writing VHDL code to be synthesized and mapped down to a Xilinx Spartan2 FPGA.
What are the commonly used VHDL tools available?
Linting
- Leda : Leda is a code purification tool for designers using the Verilog® and VHDL Hardware Description Language (HDL).
- HDLint : A power full linting tool for VHDL and Verilog.
- nLint : nLint is a comprehensive HDL design rule checker fully integrated with the Debussy debugging system.
Which library is used in VHDL?
The IEEE created the IEEE VHDL library and std_logic type in standard 1164.
Are there any synthesis tools that support vhdl-87?
In 1999, many synthesis tools still only supported VHDL-87; now, VHDL-93 is widely supported. The changes between VHDL-93 and VHDL-2002 were relatively minor, apart from the addition of protected types. Since these are not supported for synthesis, synthesis tools effectively support VHDL-2002.
What are two aspects of synthesis subsets of VHDL?
There are two aspects of synthesis subsets of VHDL. The first is the collection of language features that are included in the subset. This comprises the types that can be used to represent data and the declarations, specifications, and statements that can be included in models.
What kind of synthesis tool is Cathedral I?
Since Cathedral is characterized as an architecture-driven synthesis tool, it supports the following architectural styles. Each architecture style is categorized by sample rate. 1. Hard-wired bit serial architecture supported in Cathedral I is suitable to a low-sample rate filter in audio, speech, and telecommunication applications.
Which is the task of a synthesis tool?
The task of a synthesis tool is to analyze a VHDL description and infer what hardware elements are represented and how they are connected. A tool cannot infer hardware from any arbitrarily written VHDL model. Instead, we need to write models in a synthesis style that is recognized by the tool.