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State the term- Use a define function
This is almost exactly the same approach as #define and -D compiler arg that C programs use. In your Verilog code, use a 'define to define the variable condition and then use Verilog preprocessor directives such as 'ifdef. Use the '+define+' Verilog command line option. For an illustration:
... to run the simulation ..
verilog testbench.v cpu.v +define+USEWCSDF
... in your code ...
'ifdef USEWCSDF
initial $sdf_annotate (testbench.cpu, "cpuwc.sdf");
'endif
+define+ can also be filled in from your Makefile invocation, which in turn, can be finally filled in your UNIX prompt command line.
Defines are a blunt weapon since they are very global and you can only do so much with them asthey are a pre-processor trick. Consider the subsequent approach before resorting to defines.
Explain characteristics of Latch and Flip-Flop. Latches are level-sensitive and transparent While the clock is high it passes input value to Output While the clock is l
The ?rst task in the project is to develop a sane system to store change logs and versions of ?les. The simplest approach is to create a "dot" directory in the location of the ?le
What is the maximum size of a database that can be opened in Microsoft Access? Ans) 1 Gigabyte
Which scheduling policy is most suitable for a time-shared operating system? Ans. Round-Robin scheduling policy is most appropriate for a time-shared operating system.
For the one who still has no idea about the BIOS on your PC, notice when you first turn on your PC or laptop a few screens pop up. It may be a logo such as DELL or HP or ASUS, Tyan
What is testing? List its types. Testing ensures that the application is suitable for actual use and that it truthfully satisfies the requirements. Types are: Unit te
What is a decoder? Draw the logic circuit of a 3 line to 8 line decoder and explain its working. Ans. Decoder: it is a combinational logic circuit which converts Binary words
Q. Define Wide Area Network? Wide Area Network (WAN): It takes a large geographical area and frequently owned by a state. Data transfer rate is low (few KBPS to 10 MBPS) and er
Defining Types of Data ? The subsequent format is used for defining data definition: Format for data definition: {Name} Name - a program references the data
Can the size of an array be declared at runtime? No, the size of an array can't be declared at run time, we always require to mention the dimensions of an array at
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