The Student's Guide to VHDLVHDL 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. |
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1.3. rezultāts no 65.
A simple example of an if statement is if en = ' 1 ' then stored_value : = data_in ; end if ; The expression after the keyword it is the condition that is used to control whether or not the statement after the keyword then is executed .
In this example , the first condition is evaluated , and if true , the statement after the first then keyword is executed . If the first condition is false , the second condition is evaluated , and if it evaluates to true ...
If the value of func is pass1 , the statement result : = operand1 is executed ; if the value is pass2 , the statement result : = operand2 is executed ; and so on . A case statement bears some similarity to an if statement in that they ...
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Saturs
Scalar Data Types and Operations | 27 |
Sequential Statements | 53 |
Exercises | 78 |
Autortiesības | |
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Digital Integrated Circuit Design: From VLSI Architectures to CMOS Fabrication Hubert Kaeslin Ierobežota priekšskatīšana - 2008 |