The Student's Guide to VHDL
Elsevier Science, 1998. gada 1. janv. - 336 lappuses
VHDL is a language for describing digital electronic systems. A vital, efficient step in the system design process, VHDL allows for the design and simulation of a hardware system prior to it actually being manufactured.
Offering the same clear, accessible style as The Designer's Guide to VHDL, The Student's Guide is designed as a main text for introductory VHDL courses, and as a supplementary text for courses that require VHDL-based project work, such as computer architecture, digital design, and digital logic courses. This new condensed text also serves as a quick, self-teaching guide for practicing engineers who need to learn only the basics of VHDL.
1.3. rezultāts no 29.
end case ; indicates that a case statement must contain at least one case statement alternative , but may contain an arbitrary number of additional case statement alternatives as required . If there is a sequence of categories and ...
This value is then compared with the choice values in the case statement alternatives to determine which statement to execute . ... Thus , we can have a case statement that selects an alternative based on an integer value .
in previous alternatives , we can use the special choice others . ... In this example , if the value of operand is anything other than the choices listed in the first and second alternatives , the last alternative is selected .
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Scalar Data Types and Operations
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