'Posedge clk' diaporamas de présentation

CaseZ

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Systemverilog Assertion ????

Systemverilog Assertion ????. ????? ??. Systemverilog assetion. ???????????????????????????????????????????????????????????????????. Before Assertion based Verification. Before sva. ????????? 1.Stimulus generation 2.Self-checking mechanisms a.Protocal checking

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So you think you want to write Verilog?

So you think you want to write Verilog?. Verilog is a crufty language Useful, but full of historical baggage The first real HDL, followed by VHDL If you follow the rules closely, you will be OK Most companies are ruthless about how to write Verilog Lint used to catch designers who stray

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System Verilog

System Verilog. Narges Baniasadi University of Tehran Spring 2004. System Verilog. Extensive enhancements to the IEEE 1364 Verilog-2001 standard. By Accellera More abstraction : modeling hardware at the RTL and system level Verification

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Register

Register. module Reg(Q, D, Clk); // parameter N = 16; input Clk; input [N-1:0] D; output [N-1:0] Q; reg [N-1:0] Q; // always @(posedge Clk) Q <= #`dh D; // endmodule. Register Reset_. module RegRst(Q, D, Reset_, Clk); // parameter N = 16; // input Reset_, Clk;

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Word Level Predicate Abstraction and Refinement for Verifying RTL Verilog

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An Introduction to Verilog: Transitioning from VHDL

An Introduction to Verilog: Transitioning from VHDL. Tutorial 1. Lesson Plan (Tentative). Week 1: Transitioning from VHDL to Verilog, Introduction to Cryptography Week 2: A5 Cipher Implementaion, Transitioning from Verilog to Verilog-A Week 3: Verilog-A Mixer Analysis.

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ELEN 468 Advanced Logic Design

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Memory Interface Example

IEP on Design Verification and Hardware Security NIT, Rourkela. Memory Interface Example. Concurrency and Control.

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Hardware Description Languages

Hardware Description Languages. Describe hardware at varying levels of abstraction Structural description Textual replacement for schematic Hierarchical composition of modules from primitives Behavioral/functional description Describe what module does, not how

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Automatic Test Program Generation for Muti -core Processors

Automatic Test Program Generation for Muti -core Processors. Version 1.1. Speaker: Hung-Yi Chen Advisor: Chun-Yao Wang 7/8/2008. Outline. Introduction Assignment Decision Diagram Tsing-Hua Logic Format Test Program Generation Future work. Introduction (1/2).

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SV3.1a Assumptions

SV3.1a Assumptions. Surrendra Dudani Nov. 14, 2003 Synopsys, Inc. Property Assumptions. assume property ( property_spec ) ; Allow properties to be considered as assumptions for formal and dynamic simulation Tools must constrain the environment such that a property holds

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Recap : Always block

Recap : Always block. Always waiting for a change to a trigger signal Then executes the body. module and_gate (out, in1, in2); input in1, in2; output out; reg out; always @(in1 or in2) begin out = in1 & in2; end endmodule. Not a real register!! A Verilog register

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Recap : Always block

Recap : Always block. Always waiting for a change to a trigger signal Then executes the body. module and_gate (out, in1, in2); input in1, in2; output out; reg out; always @(in1 or in2) begin out = in1 & in2; end endmodule. Not a real register!! A Verilog register

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COE 202 Introduction to Verilog

COE 202 Introduction to Verilog. Computer Engineering Department College of Computer Sciences and Engineering King Fahd University of Petroleum and Minerals. Outline. D Latch D Flip Flop Structural Modeling of a Sequential Circuit FSM Modeling Parallel Load Register Shift Register

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Today: Verilog and Sequential Logic

Today: Verilog and Sequential Logic. Flip-flops representation of clocks - timing of state changes asynchronous vs. synchronous FSMs structural view (FFs separate from combinational logic) behavioral view (synthesis of sequencers) Sequential don't cares. Incorrect Flip-flop in Verilog.

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4 bit Counter ?????

4 bit Counter ?????. ???. `timescale 1ns / 1ps module count_4bit ( input clk, input reset, output [3:0] q ); reg [3:0] counter; wire clkm; reg [31:0] divider; // ???? always@( posedge clkm , negedge reset ) begin if ( ! reset )

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clk

010. 010. drive here. sample here. sample here. clock trigger. evaluate here. sequence @(posedge clk) sa = (!a ; a ; !a); sequence @(posedge clk) sc = (!c ; c ; !c);. property p = (sa => [2] sc); // clocked assertion. reactive. react here. FF1. FF2. b. c. a. preponed. clk.

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