2.b Verilog Chpt 1 8_27_10 X

2.b Verilog Chpt 1 8_27_10 X - Verilog for Digital Design...

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Verilog for Digital Design Copyright © 2007 Frank Vahid and Roman Lysecky 1 Verilog for Digital Design Chapter 1: Introduction F 8/27/10
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Verilog for Digital Design Copyright © 2007 Frank Vahid and Roman Lysecky 2 Digital Systems
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Verilog for Digital Design Copyright © 2007 Frank Vahid and Roman Lysecky 3 Digital Systems Digital systems surround us Electronic system operating on 0s and 1s Typically implemented on an Integrated Circuit (IC) – "chip" Desktop/laptop computers ("PCs") are the most popular examples Other increasingly common examples Consumer electronics: Cell phones, portable music players, cameras, video game consoles, electronic music instruments, ... Medical equipment: Hearing aids, pacemakers, life support systems, ... Automotive electronics: Engine control, brakes, ... Military equipment Networking components: Routers, switches, ... Many, many more...
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Verilog for Digital Design Copyright © 2007 Frank Vahid and Roman Lysecky 4 Hardware Description Languages (HDLs)
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Verilog for Digital Design Copyright © 2007 Frank Vahid and Roman Lysecky 5 Digital Systems and HDLs Typical digital components per IC 1960s/1970s: 10-1,000 1980s: 1,000-100,000 1990s: Millions 2000s: Billions 1970s IC behavior documented using combination of schematics, diagrams, and natural language (e.g., English) 1980s Simulating circuits becoming more important Schematics commonplace Simulating schematic helped ensure circuit was correct before costly implementation Combinational logic Stateregister s1 s0 n1 n0 x b clk FSM in p u ts FSM o u tp ts n1 n0 s0 s1 clk Combinational Logic State register b x "The system has four states.
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