If else statements verilog

    • [DOC File]VERILOG PRIMER - BME EET

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      Writing synthesizable Verilog code for circuit functions. Writing testbenches for exercising the functions. Generally there is much similarity with the syntax of the C++ programming language, in those cases hints will be given. Lexical Elements. A Verilog source file is a stream of lexical tokens. A lexical token consists of one or more characters.

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    • [DOC File]Verilog HDL

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      if/then/else or case statements cover all possible combintations of condition. (Mux2To1 from Verilog HDL Introduction, page 2). Default value assigned at top of always block. (Mux2To1 from page 9). Type reg. Use = for assignments. Simulation Model – Code executes from top to bottom sequentially whenever an input in the sensitivity list changes.

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    • [DOC File]The University of Texas at Dallas

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      Verilog supports hierarchical design by creating instances of another modules that can be used in a design. In the example depicted in Figure 19, a 4-bit equivalence circuit is designed using 1-bit equivalence circuit modules.

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    • [DOC File]371/471 Verilog Tutorial

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      The basic building block of Verilog is a module. This is similar to a function or procedure in C/C++/Java in that it performs a computation on the inputs to generate an output. However, a Verilog module really is a collection of logic gates, and each time you call a module you are creating that set of gates. An example of a simple module:

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    • [DOC File]Verilog HDL - Washington University in St. Louis

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      Case statements include all possible cases or have a default case. If statements have an else condition. OR. All outputs are assigned a default value at the top of the always block. Then, override the defaults as needed with case statements. Use = for assignments. (Blocking) See Mux2To1.v example above. Another behavioral always block for Mux2To1

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    • [DOCX File]SystemVerilog for Verification: A Guide to Learning the ...

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      In verilog-1995, if you tried to call a task from multiple places in your testbench, the local variables shared common, static storage, and so the different threads stepped on each other’s values. In Verilog-2001 you can specify that tasks, functions, and modules use automatic storage, which causes the simulator to use the stack for local ...

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    • [DOC File]Verilog Quiz # 1

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      Verilog Quiz # 1 姓名: 學號: Use Verilog to describe the 2:1 multiplexer as shown in the following figure. 1.

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    • [DOCX File]Non-ideal behavior—setup and hold time.

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      Next, let’s tackle something else: analyzing worst case (a.k.a.” max” or “slow”) paths and the best case (a.k.a. “min” or “fast”) paths. Now redo if NAND delay is 1ns to 3ns and inverter is 0.5ns to 1ns

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    • [DOC File]371/471 Verilog Tutorial - University of Washington

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      Normally Verilog statements are assumed to execute instantaneously. However, Verilog does support some notion of delay. Specifically, we can say how long the basic gates in a circuit take to execute with the # operator. ... like the “{ }” braces in C and Java. For statements below such as “if-then-else” and “case”, you can use begin ...

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    • [DOC File]from: http://www

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      Verilog. There are no statements in Verilog that help manage large designs. Operators. The majority of operators are the same between the two languages. Verilog does have very useful unary reduction operators that are not in VHDL. A loop statement can be used in VHDL to perform the same operation as a Verilog unary reduction operator.

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