VHDL参考手册

英文版：FPGA Express VHDL Reference Manual

内容预览：

FPGA Express translates and optimizes a VHDL description to an internal
gate-level equivalent format. This format is then compiled for a given
FPGA technology.

To work with VHDL, familiarize yourself with the following concepts:
• Hardware Description Languages
• About VHDL
• About FPGA Express
• Using FPGA Express
• A Model of the Design Process

The United States Department of Defense, as part of its Very-High-Speed
Integrated Circuit (VHSIC) program, developed VHSIC HDL (VHDL) in
1982. VHDL describes the behavior, function, inputs, and outputs of a
digital circuit design. VHDL is similar in style and syntax to modern
programming languages, but includes many hardware-specific constructs.
FPGA Express reads and parses the supported VHDL syntax. Chapter 11,
“HDL Constructs,” lists all VHDL constructs and includes the level of
Synopsys support provided for each construct.

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