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A VHDL program can be written to provide a password in the following ways.
Using FPGA:
Your program can be dumped into a FPGA. This works as per the program written. As the code is burned into it, the user can not see the code. Now, within your program you can have a conditional statement which serves as your password. For example,
if (c=ramarav) then
.................................
..................................
Using CPLD:
It also works in the similar manner.
Using a GUI:
We can implement a graphical user interface, but the easier way is to take the help of MATLAB tool. We can implement our VHDL code in MATLAB tool and it serves the purpose.
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What is the latest VHDL version?
In 2008, Accellera released VHDL 4.0 to the IEEE for balloting for inclusion in IEEE 1076-2008. The VHDL standard IEEE 1076-2008 was published in January 2009. Currently, IEEE 1076-2008 is the latest version of VHDL.
Code for square wave generation in VHDL?
implement vhdl code for counter.output of counter pulse is a square wave
Why 1164 used in encoder vhdl programming?
VHDL program follows IEEE library. This means that all the data types, commands, keywords etc. used in a VHDL program are stored in a library called IEEE library. This library will be available in the EDA tool which is executing the VHDL program. 1164 is a package where all the logic gates are defined. This is a sub part of IEEE library. As encoder program requires logic gates, we need to use 1164 package in the code.
What is technology schematics in vhdl?
In the synthesis part of a VHDL code, the EDA tool provides technology schematic. It describes the structure and sub-structures of the design. We can watch our design from the system level to the gate level.
What are disadvantages of VHDL?
VHDL is basically a hardware description language. To describe hardware as a program that can be dumped into a PLD, we use VHDL. It is essential to represent hardware as program so that it can be tested before realizing it physically. If there are any errors, they can be corrected here itself.
What is VHDL calculators?
A virtual calculator can be implemented using VHDL. We call it VHDL calculator.
How do you build 8085 using vhdl?
VHDL is a hardware description language. It describes the functionality of a hardware as a program. If we know the architecture of 8085, the same can be implemented or coded using VHDL.
What is the basics of VHDL?
VHDL is a hardware description language. You can describe the hardware in three different ways using VHDL. 1. dataflow model 2. behavioral model 3. structural model
How are IC chips programed?
integrated circuit
How do you get Vhdl for free?
VHDL is not any software. It is a programming language. One should learn how to program using VHDL. The supporting software tools may be downloaded from some of the EDA Tools providers on trial basis. Aldec is providing the student version for free.
How vhdl is used?
VHDL is a hardware description language. The purpose of any HDL is to represent hardware as a program. We can write a program (code) for any digital circuit using VHDL. With the help of this code, the output of the circuit can be observed before actually designing it physically.
What are buried nodes in vhdl?
When implementing a state machine in VHDL, the state variables need to be listed in the port list of the ENTITY section. If not, VHDL considers them as buried nodes and disables the output pins. This means there is no way of using test equipment to look at the machine state.
What is meaning of Test Benches in VHDL?
After compiling a hardware description language like VHDL, it is required to apply inputs to the program in order to obtain out puts. Applying the inputs involves initial conditions. As the systems designed using VHDL are electronic, the initial conditions plays a vital role. Hence, all these conditions along with the information as to where the input is expected to change from 1 to 0 or 0 to 1 is provided to the VHDL program. This is done in the form of a wave or another VHDL program. These are called VHDL test benches. In other words, test benches are the means of applying inputs to VHDL program.
Short note on parity generator and checker?
devices and simulate the circuit using the VHDL codes.
What are the supporting functions by vhdl?
VHDL provides conversion functions and resolution functions.
Is VHDL text or graphic programmed?
VHDL is a text based programming language.
What is the vhdl code for binary to hex convertion?
vhdl code for binary to Hexadecimal ?
