Place and route in the context of "Hardware description language"

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⭐ Core Definition: Place and route

Place and route (also called PnR or P&R) is a stage in the design of printed circuit boards, integrated circuits, and field-programmable gate arrays. As implied by the name, it is composed of two steps, placement and routing. The first step, placement, involves deciding where to place all electronic components, circuitry, and logic elements in a generally limited amount of space. This is followed by routing, which decides the exact design of all the wires needed to connect the placed components. This step must implement all the desired connections while following the rules and limitations of the manufacturing process.

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👉 Place and route in the context of Hardware description language

In computer engineering, a hardware description language (HDL) is a specialized computer language used to describe the structure and behavior of electronic circuits, usually to design application-specific integrated circuits (ASICs) and to program field-programmable gate arrays (FPGAs).

A hardware description language enables a precise, formal description of an electronic circuit that allows for the automated analysis and simulation of the circuit. It also allows for the synthesis of an HDL description into a netlist (a specification of physical electronic components and how they are connected together), which can then be placed and routed to produce the set of masks used to create an integrated circuit.

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Place and route in the context of Logic design

In computer engineering, logic synthesis is a process by which an abstract specification of desired circuit behavior, typically at register transfer level (RTL), is turned into a design implementation in terms of logic gates, typically by a computer program called a synthesis tool. Common examples of this process include synthesis of designs specified in hardware description languages, including VHDL and Verilog. Some synthesis tools generate bitstreams for programmable logic devices such as PALs or FPGAs, while others target the creation of ASICs. Logic synthesis is one step in circuit design in the electronic design automation, the others are place and route and verification and validation.

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LINKED FROM (PARENTS)
← Logic design ← Hardware description language
LINKS TO (CHILDREN)
Printed circuit board → Integrated circuits → Field-programmable gate array → Placement (EDA) → Routing (electronic design automation) → Electronic components → Circuitry → Logic →