The VHSIC Hardware Description Language (VHDL) is a formal notation intended for use in all phases of the creation of electronic systems. Because it is both machine readable and human readable, it supports the development, verification, synthesis, and testing of hardware designs, the communication of hardware design data, and the maintenance, modification, and procurement of hardware. The form of a VHDL description is described by means of context-free syntax together with context-dependent syntactic and semantic requirements expressed by narrative rules. The context-free syntax of the language is described using a simple variant of Backus-Naur form.
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keysymbols : =, <=. Blocking (the = operator) With blocking assignments each statement in the same time frame is executed in sequential ...
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Formal Definition Comments provide a means of describing or documenting a model. Simplified Syntax // a single line with comments /* mult...
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