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Erschienen in:
2022 | OriginalPaper | Buchkapitel
2. Basic VHDL Concepts
verfasst von : Bekkay Hajji, Adel Mellit, Loubna Bouselham
Erschienen in: A Practical Guide for Simulation and FPGA Implementation of Digital Design
Verlag: Springer Singapore
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Abstract
In the previous chapter, we showed that HDLs are used for both simulation and synthesis. With an HDL, the specification of digital systems is much faster than a full schematic drawing. The debugging cycle is also much faster, as modifications require code changes instead of laborious schematic rewiring. In this chapter, we will explore the modelling of digital systems with the VHDL language by introducing these basic concepts. We start with the structure of a VHDL code and then we move to data manipulation with the different instructions (combinatorial, sequential). We end this chapter with a syntax summary.