The Student's Guide to VHDLThe Student's Guide to VHDL is a condensed edition of The Designer's Guide to VHDL, the most widely used textbook on VHDL for digital system modeling. The Student's Guide is targeted as a supplemental reference book for computer organization and digital design courses. Since publication of the first edition of The Student's Guide, the IEEE VHDL and related standards have been revised. The Designer's Guide has been revised to reflect the changes, so it is appropriate that The Student's Guide also be revised. In The Student's Guide to VHDL, 2nd Edition, we have included a design case study illustrating an FPGA-based design flow. The aim is to show how VHDL modeling fits into a design flow, starting from high-level design and proceeding through detailed design and verification, synthesis, FPGA place and route, and final timing verification. Inclusion of the case study helps to better serve the educational market. Currently, most college courses do not formally address the details of design flow. Students may be given informal guidance on how to proceed with lab projects. In many cases, it is left to students to work it out for themselves. The case study in The Student's Guide provides a reference design flow that can be adapted to a variety of lab projects. |
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1.5. rezultāts no 58.
vii. lappuse
... Elaboration and Execution 14 1.5 Learning a New Language: Lexical Elements and Syntax 16 1.5.1 Lexical Elements 17 Comments 17 Identifiers 19 Reserved Words 20 Special Symbols 22 Numbers 22 Characters 23 Strings 23 Bit Strings 24 ...
... Elaboration and Execution 14 1.5 Learning a New Language: Lexical Elements and Syntax 16 1.5.1 Lexical Elements 17 Comments 17 Identifiers 19 Reserved Words 20 Special Symbols 22 Numbers 22 Characters 23 Strings 23 Bit Strings 24 ...
viii. lappuse
... Attributes 103 Unconstrained Array Types 105 4.2.1 Predefined Array Types 106 Strings 106 Boolean Vectors, Integer Vectors, Real Vectors, and Time Vectors 106 Bit Vectors 107 Standard-Logic Arrays 107 String and Bit-String Literals ...
... Attributes 103 Unconstrained Array Types 105 4.2.1 Predefined Array Types 106 Strings 106 Boolean Vectors, Integer Vectors, Real Vectors, and Time Vectors 106 Bit Vectors 107 Standard-Logic Arrays 107 String and Bit-String Literals ...
4. lappuse
... convert the scaled value to a decimal string; write the string to the display output corresponding to this input; end loop; wait for 10 ms; end loop; At this top level of abstraction, the structure of a system may be described as an ...
... convert the scaled value to a decimal string; write the string to the display output corresponding to this input; end loop; wait for 10 ms; end loop; At this top level of abstraction, the structure of a system may be described as an ...
23. lappuse
The string may include any number of characters (including zero), but it must fit entirely on one line. Some examples are "A string" "A string can include any printing characters (e.g., ...
The string may include any number of characters (including zero), but it must fit entirely on one line. Some examples are "A string" "A string can include any printing characters (e.g., ...
24. lappuse
If we need to write a string that is longer than will fit on one line, we can use the concatenation operator (&) to join two substrings together. (This operator is discussed in Chapter 4.) For example: "If a string will not fit on one ...
If we need to write a string that is longer than will fit on one line, we can use the concatenation operator (&) to join two substrings together. (This operator is discussed in Chapter 4.) For example: "If a string will not fit on one ...
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Saturs
1 | |
31 | |
65 | |
Chapter 4 Composite Data Types and Operations | 95 |
Chapter 5 Basic Modeling Constructs | 135 |
Chapter 6 Subprograms | 201 |
Chapter 7 Packages and Use Clauses | 239 |
Chapter 8 Resolved Signals | 261 |
Chapter 12 Components and Configurations | 335 |
Chapter 13 Generate Statements | 359 |
Chapter 14 Design for Synthesis | 375 |
System Design Using the Gumnut Core 413 | 413 |
Appendix A Standard Packages | 437 |
Appendix B VHDL Syntax | 461 |
Appendix C Answers to Exercises | 479 |
References | 497 |
Chapter 9 Predefined and Standard Packages | 287 |
Chapter 10 Aliases | 315 |
Chapter 11 Generic Constants | 325 |
Index | 499 |
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actual alias allows alternative applied architecture body array assertion association attribute begin behavioral bit_vector boolean called changes Chapter character choices clause clock complex component condition configuration connected constant constrained contains conversion corresponding count defined delay described determine digit downto driver elements end process entity entity declaration example executed expression false function function function identifier implementation index range indication initial inout input instance instantiation instruction integer label literal logic loop memory natural Note object operand operations output package parameter port map predefined procedure range record refer represent reset resolved result selected shown signal assignment signed simulation specify standard statement std_ulogic string structural subtype syntax rule synthesis tool true unit unsigned variable vector versions VHDL wait width write