![]() ![]() so, which works as shown in Figure 1, consists of three shift registers and an adder finite state machine, of which three registers are used to store a, B and sum data. Based on this principle, shift addition is used to realize serial adder. The working principle of multi bit serial adder is to add bit by bit from the lowest bit and carry to high bit. The following describes how to use VHDL to implement serial adder on MAX + Plus platform of Altera company. ![]() ![]() Its high-level behavior description can be mixed with the low-level RTL description and structure description Designers can realize the whole development process from text editing, function simulation, logic synthesis, layout and routing, timing simulation to programming download, which greatly reduces the work intensity of designers, improves the design quality and reduces the chance of mistakes. VHDL language has the ability to describe the hardware functions of the system in multi-level, from the mathematical model of the system to the gate level circuit. As the standard language of programmable logic devices, VHDL language has strong description ability, wide coverage, strong abstract ability, and is applied more and more widely. It will become the mainstream of electronic design in the future. Through the design and programming, the digital circuit composed of CPLD / fpgan – replaces the conventional combinational and sequential logic circuits, and realizes single chip, which reduces the volume, weight and power consumption, and improves the reliability.Īt present, EDA technology has been widely used in general digital system, digital signal processing system and other fields. The application of edai ‘reflective design automatic) technology is well adapted to this feature. With the development of technology, the speed of electronic products is changing with each passing day. ![]()
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