VHDL Part 1 2

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Introduction

• Introduction to VHDL
• Entities
• Signals
• Data Scalar Types
• Arrays Records
• Logical Numerical Operators

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Hardware Description Languages (HDL)
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Description Levels
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What a designer really needs ?!
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Why VHDL ?!
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Before VHDL ..
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Now with VHDL ..
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Entities
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Elements of an Entity
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Elements of an Entity
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Architectures
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Behavioral Description
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Behavioral Description
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Behavioral Description
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Behavioral Description
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Packages .. !!
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Packages in VHDL
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Predefined Packages
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Signals
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Signals bit vectors
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Vectors width order
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Vectors width order
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External vs. Internal Signals
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Declaration of signals
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Documentation
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Documentation
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Generic .. ?!
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Generic Specification
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Generic Applications
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Generic Applications
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Scalar type
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Scalar type
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Scalar type
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Scalar type
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Scalar type
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Arrays
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User-defined-arrays
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Records
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Logical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Numerical Operators
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Relational Operators
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Constants
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Use of Constants
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Generic vs. Constant
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Generic vs. Constant
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Generic vs. Constant
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Summary

• Introduction to VHDL
• Entities
• Signals
• Data Scalar Types
• Arrays Records
• Logical Numerical Operators