The Student's Guide to VHDL
Elsevier Science, 1998. gada 15. 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 51.
Booleans One of the most important predefined enumeration types in VHDL is
the type boolean , defined as type boolean is ( false , true ) ; This type is used to
represent condition values , which can control execution of a behavioral model .
Operator Operation Left operand type Right operand type same as left operand
Result type boolean any except file " v same as left operand boolean equality
inequality less than less than or equal greater than greater than or equal scalar
or 1 ...
... natural is integer range 0 to integer ' high ; subtype positive is integer range 1
to integer ' high ; type real is range implementation defined ; - - implicitly declared
for real operands : - - " = " , " / = " , " < " , " < = " , " > " , " > = " return boolean * * " ...
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