VHDL-2008: Just the New StuffElsevier, 26 nov 2007 - 256 pagina's VHDL-2008: Just the New Stuff, as its title says, introduces the new features added to the latest revision of the IEEE standard for the VHDL hardware description language. Written by the Chair and Technical Editor of the IEEE working group, the book is an authoritative guide to how the new features work and how to use them to improve design productivity. It will be invaluable for early adopters of the new language version, for tool implementers, and for those just curious about where VHDL is headed. * First in the market describing the new features of VHDL 2008;* Just the new features, so existing users and implementers can focus on what's new; * Helps readers to learn the new features soon, rather than waiting for new editions of complete VHDL reference books. * Authoritative, written by experts in the area; * Tutorial style, making it more accessible than the VHDL Standard Language Reference Manual. |
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Pagina vi
... Statements 5.1 Conditional and Selected Assignments 143 5.1.1 Sequential Signal Assignments 143 5.1.2 Forcing Assignments 146 5.1.3 Variable Assignments 147 5.2 Matching Case Statements 149 5.2.1 Matching Selected Assignments 150 5.3 If ...
... Statements 5.1 Conditional and Selected Assignments 143 5.1.1 Sequential Signal Assignments 143 5.1.2 Forcing Assignments 146 5.1.3 Variable Assignments 147 5.2 Matching Case Statements 149 5.2.1 Matching Selected Assignments 150 5.3 If ...
Pagina 2
... statement simply copies the value of either a or b to the output z. It is sensitive to all of the inputs. So whenever a, b, or sel change, the assignment will be re-evaluated. In any instance of the multiplexer, changes on a and b are ...
... statement simply copies the value of either a or b to the output z. It is sensitive to all of the inputs. So whenever a, b, or sel change, the assignment will be re-evaluated. In any instance of the multiplexer, changes on a and b are ...
Pagina 11
... statement that merges the generic and port lists of the entity with the generic map and port map of the instantiation. Since generic-mapped packages are not a feature intended for regular use, we won't dwell on them further. We simply ...
... statement that merges the generic and port lists of the entity with the generic map and port map of the instantiation. Since generic-mapped packages are not a feature intended for regular use, we won't dwell on them further. We simply ...
Pagina 12
... statement within the process body. The package name is used as a prefix in the selected name for the function. The second assignment statement is illegal, since the variable is not visible at that point. The package provides a measure ...
... statement within the process body. The package name is used as a prefix in the selected name for the function. The second assignment statement is illegal, since the variable is not visible at that point. The package provides a measure ...
Pagina 15
... takes the form: procedure identifier generic ( . . . ) parameter ( . . . ) is -- declarations - — — Statements end procedure identifier; Similarly, a function begin 1.4 Generic Lists in Subprograms 15 1.4 Generic Lists in Subprograms.
... takes the form: procedure identifier generic ( . . . ) parameter ( . . . ) is -- declarations - — — Statements end procedure identifier; Similarly, a function begin 1.4 Generic Lists in Subprograms 15 1.4 Generic Lists in Subprograms.
Inhoudsopgave
1 | |
Chapter 2 Other Major Features | 53 |
Chapter 3 Type System Changes | 103 |
Chapter 4 New and Changed Operations | 127 |
Chapter 5 New and Changed Statements | 143 |
Chapter 6 Modeling Enhancements | 159 |
Chapter 7 Improved IO | 169 |
Chapter 8 Standard Packages | 179 |
Chapter 9 Miscellaneous Changes | 207 |
Chapter 10 Whats Next | 229 |
Index | 237 |
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Veelvoorkomende woorden en zinsdelen
Accellera address_type alias array type attribute begin bit vector boolean cipher component configuration constant context declaration conversion functions decryption denorm design unit digest digital envelope digital signature directive downto earlier versions element subtype element type encoded encryption envelope encryption tool end entity end package end record entity and architecture example expression external name fixed-point float floating-point formal generic type fully constrained hash function hexadecimal identifier IEEE index range inout instance instantiate integer IP provider numeric_bit numeric_std NumericarrayType object octal operand operations Overflow round overloaded package body package defines Param parameter pathname port map predefined protect protect protect protected type pure function radix point result session key sfixed shared variable signed specify sta_logic statement std logic vector std ulogic vector string subprogram testbench textio tion type conversion ufixed unconstrained uninstantiated package unsigned versions of VHDL VHPI write Xmap