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What is RTL synthesis?
What is RTL synthesis?
The initial part of logic synthesis that translates Verilog code into a netlist of generic logic gates.
What are the two main tasks involved in RTL synthesis?
What are the two main tasks involved in RTL synthesis?
Parsing and Elaboration.
Elaboration processes parameterized modules that can have different interfaces for varying parameters.
Elaboration processes parameterized modules that can have different interfaces for varying parameters.
True
The process of checking the connections among RTL-specified components is called ____.
The process of checking the connections among RTL-specified components is called ____.
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Which of the following Verilog constructs typically cannot be synthesized into circuit elements?
Which of the following Verilog constructs typically cannot be synthesized into circuit elements?
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What does lexical analysis do during RTL synthesis?
What does lexical analysis do during RTL synthesis?
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A syntax tree is built if the grammar is ____.
A syntax tree is built if the grammar is ____.
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Non-synthesizable constructs in Verilog are helpful in _____.
Non-synthesizable constructs in Verilog are helpful in _____.
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Study Notes
RTL Synthesis
- RTL synthesis is the initial stage in logic synthesis, translating Verilog code into a netlist of generic logic gates.
- RTL synthesis includes parsing and elaboration.
- Parsing reads RTL files and generates a data structure for subsequent processing.
- Elaboration ensures the connections among RTL-specified components are legitimate.
RTL Synthesis: Parsing
- Parsing involves lexical analysis, grammar/syntax checking and syntax tree building.
- Lexical analysis identifies keywords and identifiers.
- Grammar/syntax checking verifies the correctness of the Verilog code.
- A syntax tree is built if the grammar is correct, which is a hierarchical data structure representing the Verilog code.
RTL Synthesis: Elaboration
- Elaboration involves connecting components and ensuring their legitimacy.
- Legitimate connections are represented in the internal model.
- Errors are reported for illegitimate connections.
- Elaboration also handles parameterized modules.
- Parameterized modules are created with different interfaces for varying parameters.
RTL Synthesis: Verilog Constructs to Circuit
- Synthesizable Verilog constructs are translated into circuit elements.
- Non-synthesizable constructs are not translated into circuit elements.
- Non-synthesizable constructs are helpful for other design tasks, such as functional verification.
- Delay specification is a typically non-synthesizable construct.
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Description
This quiz covers the essential concepts of RTL synthesis, focusing on the processes of parsing and elaboration in Verilog code translation. Learn how parsing and syntax checking lead to the formation of a syntax tree, and discover the importance of elaboration in ensuring legitimate connections among components. Test your understanding of these foundational topics in logic synthesis.
