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 100.
vii. lappuse
... Operations 31 2.1 Constants and Variables 31 2.1.1 Constant and Variable Declarations 31 2.1.2 Variable Assignment 33 2.2 Scalar Types 34 2.2.1 Type Declarations 34 2.2.2 Integer Types 35 2.2.3 Floating-Point Types 38 2.2.4 Physical ...
... Operations 31 2.1 Constants and Variables 31 2.1.1 Constant and Variable Declarations 31 2.1.2 Variable Assignment 33 2.2 Scalar Types 34 2.2.1 Type Declarations 34 2.2.2 Integer Types 35 2.2.3 Floating-Point Types 38 2.2.4 Physical ...
9. lappuse
This is similar to variable assignment, except that it causes the value on a signal to be updated at some future time. EXAMPLE 1.2 Behavioral architecture for the four-bit register To illustrate these ideas, let us look at a behavioral ...
This is similar to variable assignment, except that it causes the value on a signal to be updated at some future time. EXAMPLE 1.2 Behavioral architecture for the four-bit register To illustrate these ideas, let us look at a behavioral ...
27. lappuse
As it happens, d0 and 25+6 are valid subclauses, so the whole clause conforms to the pattern in the rule and is thus a valid variable assignment. On the other hand, the clause 25 fred := x if := . cannot possibly be a valid variable ...
As it happens, d0 and 25+6 are valid subclauses, so the whole clause conforms to the pattern in the rule and is thus a valid variable assignment. On the other hand, the clause 25 fred := x if := . cannot possibly be a valid variable ...
31. lappuse
In this chapter, we look at constants and variables; signals are described fully in Chapter 5. ... difference between them is that the value of a constant cannot be changed after it is created, whereas a variable's value can be changed ...
In this chapter, we look at constants and variables; signals are described fully in Chapter 5. ... difference between them is that the value of a constant cannot be changed after it is created, whereas a variable's value can be changed ...
32. lappuse
The form of a variable declaration is similar to a constant declaration. The syntax rule is variable_declaration ⇐ variable identifier {, ... }: subtype_indication [ := expression ] ; Here also the initialization ...
The form of a variable declaration is similar to a constant declaration. The syntax rule is variable_declaration ⇐ variable identifier {, ... }: subtype_indication [ := expression ] ; Here also the initialization ...
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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
Bibliogrāfiskā informācija
| Nosaukums | The Student's Guide to VHDL |
| Autors | Peter J. Ashenden |
| Izdevums: | 2, pārstrādāts |
| Izdevējs | Elsevier, 2008 |
| ISBN | 0080948553, 9780080948553 |
| Apjoms | 528 lappuses |
| Eksportēt avotu | BiBTeX EndNote RefMan |