Chapter 3 provides an overview of the basic language constructs of VHDL, including lexical elements, objects, data types and operators. Because VHDL is a strongly typed language, the data types and operators are discussed in more detail. | Basic Language Constructs of VHDL RTL Hardware Design by P. Chu Chapter 3 1 Outline 1. 2. 3. 4. Basic VHDL program Lexical elements and program format Objects Data type and operators RTL Hardware Design by P. Chu Chapter 3 2 1. Basic VHDL program RTL Hardware Design by P. Chu Chapter 3 3 Design unit • Building blocks in a VHDL program • Each design unit is analyzed and stored independently • Types of design unit: – entity declaration – architecture body – package declaration – package body – configuration RTL Hardware Design by P. Chu Chapter 3 4 Entity declaration • Simplified syntax RTL Hardware Design by P. Chu Chapter .
