Tài liệu Logic Design with VHDL doc

... 10110101001001110ABCCBAFAF = AB' + BC + AC(c) Network with hazard removedCEBADF0 10110101001001110ABCF = AB' + BC1 - Hazard(a) Network with 1-hazardBDEF0 ns 10 ns 20 ns 30 ... inversionFigure 1-7 Conversion to NOR Gates(a) AND-OR network(b) Equivalent NOR-gate network8 VHDL ProcessesGeneral form of Processprocess(sensitivity-list)beginsequential-statementsend ... (X)Outputs (Z)clockStateFigure 1-16 General Model of Mealy Sequential Machine4Figure 2-2 VHDL Program StructureEntityArchitectureEntityArchitectureModule 1EntityArchitectureModule...

Tài liệu Circuit design with VHDL ppt

... conv_signed(p, b), and conv_std _logic_ vector(p, b).Packages std _logic_ signed and std _logic_ unsigned of library ieee: Contain functionsthat allow operations with STD _LOGIC_ VECTOR data to be performed ... any two std _logic signals are connected to the same node, then conﬂicting logic levels are automatically resolved according to table 3.1.STD_ULOGIC (STD_ULOGIC_VECTOR): 9-level logic system ... expected.1.5 Design ExamplesAs mentioned in the preface, the book is indeed a design- oriented approach to thetask of teaching VHDL. The integration between VHDL and Digital Design isachieved...

Tài liệu Logic Synthesis With Verilog HDL part 1 docx

... as the logic synthesis tool, as illustrated in Figure 14-1. Figure 14-1. Designer's Mind as the Logic Synthesis Tool with varied designer styles for the different blocks in the design ... be redesigned. Thus, redesign was needed to verify what-if scenarios. • Each designer would implement design blocks differently. There was little consistency in design styles. For large designs, ... to logic gates. Instead of trying to perform logic synthesis in their minds, designers can now concentrate on the architectural trade-offs, high-level description of the design, accurate design...

Tài liệu Logic Synthesis With Verilog HDL part 2 doc

... initial is not supported % + - modulus unary plus unary minus Logical ! && || logical negation logical and logical or Relational > < >= <= greater than less ... acceptable to the logic synthesis tool. A list of constructs that are typically accepted by logic synthesis tools is given in Table 14-1. The capabilities of individual logic synthesis tools ... allowed, because equality with x and z does not have much meaning in logic synthesis. While writing expressions, it is recommended that you use parentheses to group logic the way you want it...

Tài liệu Logic Synthesis With Verilog HDL part 3 doc

... user. Logic optimization The logic is now optimized to remove redundant logic. Various technology independent boolean logic optimization techniques are used. This process is called logic optimization. ... timing Logic synthesis The RTL description of the magnitude comparator is read by the logic synthesis tool. The design constraints and technology library for abc_100 are provided to the logic ... done internally in the logic synthesis tool and are not visible to the designer. The technology library is given to the designer. Once the technology is chosen, the designer can control only...

Tài liệu Logic Synthesis With Verilog HDL part 4 doc

... 14.6.2 Design Partitioning Design partitioning is another important factor for efficient logic synthesis. The way the designer partitions the design can greatly affect the output of the logic ... ] 14.6 Modeling Tips for Logic Synthesis The Verilog RTL design style used by the designer affects the final gate-level netlist produced by logic synthesis. Logic synthesis can produce efficient ... abstraction can cause logic with undesirable structure to be generated by the synthesis tool. Designing at a very low level (e.g., hand instantiation of each cell) causes the designer to lose the...

Tài liệu Configuring EIGRP with IGRP doc

... Auckland(config-router)#network 192.168.240.0 Because the Singapore router has to use IGRP to communicate with the Auckland router, you must also configure the Singapore router for IGRP, but only on the ... Advanced Routing v2.0 - Lab 6.7.1 Copyright  2001, Cisco Systems, Inc. 6.7.1 Configuring EIGRP with IGRP Fa0/0 192.168.232.1 /24S0/1 192.168.240.1 /30S0/0 192.168.224.2 /30S0/0 192.168.224.1 ... AS 100SingaporeAucklandSanJose3 Objective In this lab, you configure both EIGRP and IGRP within the International Travel Agency WAN and observe the automatic sharing of route information...

Tài liệu English test with key docx

... 6-day week. Today C & A employs many thousands of people. All the stores are attractively designed with good use of space, lighting and plenty of individual changing rooms where… 69…. can try ... Philippines/ spoken/ and/ the/ Singapore/ like/ India/ within/ also/ is/ it/ ,/ etc.(A) It is spoken among non-native speakers also within countries like India, the Philippines and Singapore, ... non-native speakers spoken among countries like India, within the Philippines and Singapore. Etc.(C)It is also spoken among non-native speakers within countries like India, the Philippines and Singapore,...

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Tài liệu The Problem with Objects docx

... The Problem with Objects In order to understand Generics, it is worth looking in detail at the problems they are designed to solve, specifically when using the...

Tài liệu Logic Synthesis With Verilog HDL part 5 pptx

... triggered D flip-flop 14.7.6 Design Constraints Timing critical is the only design constraint we used in this design. Typically, design constraints are more elaborate. 14.7.7 Logic Synthesis We synthesize ... we discussed the following aspects of logic synthesis with Verilog HDL: • Logic synthesis is the process of converting a high-level description of the design into an optimized, gate-level ... synthesis tool. • Accurate specification of design constraints is an important part of logic synthesis.High-level synthesis tools allow the designer to write designs at an algorithmic level. However,...

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