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The basic approach for modeling devices in VHDL-AMS is to define a model entity and architecture(s). The model entity defines the interface of the model to the system and includes connection points and parameters. A number of architectures can be associated with an entity to describe the model behavior, such as a behavioral or physical level description. A complete model consists of a single entity combined with a single architecture. The domain or technology type of the model is defined by the type of terminal used in the entity declaration of the ports. The IEEE Std 1076.1.1 defines standard types for multiple energy domains including electrical, thermal, magnetic, mechanical, and radiant systems. Within the architecture of the model, each energy domain type has a defined set of through and across variables (in the electrical domain these are voltage and current, respectively) that can be used to define the relationship between the model interface pins and the internal behavior of the model.
In the “conventional” electronics arena, the nature of the VHDL-AMS language is designed to support “mixed-signal” systems (containing digital elements, analog elements and the boundary between them) with a focus on IC design. Where the strengths of the VHDL-AMS language have really become apparent, however, is in the multi-disciplinary areas of mechatronic and microelectromechanical systems (MEMS). In this chapter, I have highlighted several interesting examples that illustrate the strengths of this modeling approach, with emphasis on multiple-domain simulations.
Manufacturer:Xilinx
Product Categories: FPGAs (Field Programmable Gate Array)
Lifecycle:Active Active
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Manufacturer:Xilinx
Product Categories: FPGAs
Lifecycle:Active Active
RoHS:
Manufacturer:Xilinx
Product Categories:
Lifecycle:Obsolete -
RoHS: No RoHS
Manufacturer:Xilinx
Product Categories:
Lifecycle:Obsolete -
RoHS: No RoHS
Manufacturer:Xilinx
Product Categories: FPGAs
Lifecycle:Obsolete -
RoHS: No RoHS
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