VHDLTutorial Logical Operators
Introduction to VHDL
History of VHDL
Naming Conventions
Libraries and packages
Entities
Entity Declaration
Entity Example
Ports
Architectures
Architecture declaration
Architecture example
Configurations
Signals
Signal representation
Multivalued logic representation
Built in data types
Synthesis vs simulation
Logical operators

Assignment statements
Process statements
D Flip flop example code
Finite state machine(FSM)
Finite state machine example
Combinational circuit example code
Quad 2 input MUX example
Seven segment display controller
8 Bit register
32 bit counter
 
 
 
 
 

 

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VHDL supports the following logical operators:

 

 

 

AND

NAND

NOT

OR

NOR

 

XOR

XNOR

 

 

 

 

 

 

   VHDL also supports the overloading of existing operators and the creation of new operators using functions

 

 

VHDL supports the following relational operators:

 

=     (Equal)  

 

/=   (Not Equal)  

 

<     (Less Than)  

 

>     (Greater Than)  

 

 

   VHDL supports the following mathematical operators:

 

+     (Addition)  

 

-      (Subtraction)  

 

*      (Multiplication)  

 

/      (Division)  

 

 

 

 

 

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