... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... Altera Quartus II Tutorial 343
Appendix E: VHDL Reserved Words 355
Bibliography 357
Index 359
x Contents
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
TLFeBOOK
To Claudia, Patricia, Bruno, ... another.
While books on VHDL give limited emphasis to digital design concepts, and books
on digital design discuss VHDL only briefly, the present work completely integrates
them. It is indeed a design- oriented...
... THEN
d
clk
rst
q
DFF
Figure 2.5
DFF with asynchronous reset.
18 Chapter 2
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
Circuit Designwith VHDL
Volnei A. Pedroni
This textbook teaches VHDL using system ... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... presentation of VHDL and design concepts by
including a large number of complete design examples,
illustrative circuit diagrams, a review of fundamental design
concepts, fully explained solutions,...
... Chapter 3
TLFeBOOK
with VHDL
Volnei A. Pedroni
Circuit Design
TLFeBOOK
1Introduction
1.1 About VHDL
VHDL is a hardware description language.Itdescribes the behavior of an electronic
circuit or system, ... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... complete design examples (rather than sketchy or partial
solutions) are presented;
illustrative top-level circuit diagrams are always shown;
fundamental design concepts are reviewed;
the solutions...
... năm là khả năng trao đổi kết quả:
Vì VHDL là một tiêu chuẩn được chấp nhận, nên một mô hình VHDL
có thể chạy trên mọi bộ mô tả đáp ứng được tiêu chuẩn VHDL. Các kết quả mô
tả hệ thống có thể ... thiệu công nghệ (và ứng dụng) thiết kế mạch bằng VHDL.
1.2.1 Ứng dụng của công nghệ thiết kế mạch bằng VHDL
Hiện nay 2 ứng dụng chính và trực tiếp của VHDL là các ứng dụng
trong các thiết bị logic ... khiển) được thiết kế theo dựa trên
ngôn ngữ VHDL.
1.2.2 Quy trinh thiết kế mạch bằng VHDL.
Như đề cập ở trên, một trong số lớn các ứng dụng của VHDL là chế tạo
các mạch hoặc hệ thống trong...
... Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit designwith VHDL/ Volnei A. Pedroni.
p. cm.
Includes bibliographical references and index.
ISBN 0-262-16224-5 (alk. paper)
1. VHDL (Computer hardware ... exp ected.
1.5 Design Examples
As mentioned in the preface, the book is indeed a design- oriented approach to the
task of teaching VHDL. The integration between VHDL and Digital Design is
achieved ... can be
written within a BLOCK, with a guarded BLOCK even sequential circuits can be
constructed. This, however, is not a usual design approach.
Example 5.7: Latch Implemented with a Guarded BLOCK
The...
... 1
0
1
10
1
0
10
01
00
11
10
A
BC
C
B
A
F
A
F = AB' + BC + AC
(c) Network with hazard removed
C
E
B
A
D
F
0 1
0
1
10
1
0
10
01
00
11
10
A
BC
F = AB' + BC
1 - Hazard
(a) Network with 1-hazard
B
D
E
F
0 ns 10 ns 20 ns 30 ... inversion
Figure 1-7 Conversion to NOR Gates
(a) AND-OR network
(b) Equivalent NOR-gate network
8
VHDL Processes
General form of Process
process(sensitivity-list)
begin
sequential-statements
end ... (X)
Outputs (Z)
clock
State
Figure 1-16 General Model of Mealy Sequential Machine
4
Figure 2-2 VHDL Program Structure
Entity
Architecture
Entity
Architecture
Module 1
Entity
Architecture
Module...
...
actual circuit and the model.
- There is no continuous assignment equivalent to the
bidirectional transfer gate.
Sequential Circuit
A feedback path
The state of the sequential circuits ... primitives
B – Examples
Combinational Circuit
Sequential Circuit
3
User-Defined Primitives
ã The set of predefined gate primitives by designing and
specifying new primitive elements ... minimum delay value that the designer expects the gate to have
typ The typical delay value that the designer expects the gate to have
max The maximum delay value that the designer expects the gate...
... For complex design: number of gates is very large
-> need a more effective way to describe circuit
Dataflow model: Level of abstraction is higher than gate-
level, describe the design using ... describe the design using expressions instead of
primitive gates
Circuit is designed in terms of dataflow between register,
how a design processes data rather than instantiation of
individual ... = a^b^cin;
assign cout = (a & b) | (cin & (a^b));
endmodule
ã Lets design 8-bit adder
20
Sequential circuit
4-bit ripple carry counter
22
Expression: Operands
Constant number...
...
Combinational circuit
Sequential circuit
Transistor level design
Gate level design
Register-transfer level design
Behavioral level design
Logic symbol
VHDL
Synthesis ... Microprocessor DesignwithVHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting digital
logic circuits. ... Logic Gates and Circuit Diagrams
2.9 Example: Designing a Car Security System
2.10 VHDL for Digital Circuits
2.10.1 VHDL code for a 2-input NAND gate
2.10.2 VHDL code for...
... Hexadecimal Systems
2-10 Digital Circuit Analysis and Designwith an Introduction to CPLDs and FPGAs
Orchard Publications
Solution:
Replacing all ones with zeros and all zeros with ones we find that the ... introduction to sequential logic circuits. It begins with a
Chapter 2 Operations in Binary, Octal, and Hexadecimal Systems
2-18 Digital Circuit Analysis and Designwith an Introduction to CPLDs ... we add with and the table gives us
i.e., with a carry of . Next we add and , with a carry of , or and , and the table gives
us i.e., with a carry of . Now we add , and (carry) and we get with...
... 11
Summary 11
Chapter 2: Designing the Layered Architecture 13
The Problem 13
The Design 13
Designing the Visual Studio Solution 13
Designing the Architectural Layers 14
The Solution 18
Implementing ... short, whereas the Design and Solution sections make
up most of the bulk of the chapters. The Solution section will always contain the code that implements
what was designed in the Design section. ... combining interfaces with Generics.
Chapter 10 , “ Synchronizing with the Server ” — In this chapter, I design and implement how to
synchronize the client ’ s offline data with the server. I...
... outputs.
Printed circuit board (PCB) A circuit board in which connections between
components are made with lines of copper on the surfaces of the circuit board.
Breadboard A circuit board for ... NOT.
1
Electronic circuits that perform these logic functions are
called logic gates. When we are analyzing or designing a digital circuit, we usually don’t
concern ourselves with the actual circuitry ... integrated circuit. Specifically, a chip of silicon on which an integrated
circuit is constructed.
Dual in-line package (DIP) A type of IC with two parallel rows of pins for the
various circuit inputs...
...
20.9.1 Performance with other processor configuration 630
20.9.2 GCD accelerator with minimal size 630
20.9.3 GCD accelerator with trailing zero circuit 631
20.9.4 GCD accelerator with 64-bit data ... width modulation circuit 122
5.9.3 Rotating square circuit 123
5.9.4 Heartbeat circuit 123
5.9.5 Rotating LED banner circuit 123
5.9.6 Enhanced stopwatch 123
5.9.7 FIFO with data width conversion ... 4-bit greater-than circuit from the bottom
up and use only gate-level logical operators. Design the circuit as follows:
1.
Derive the truth table for a 2-bit greater-than circuit and obtain...
... Digital Circuit Analysis and Designwith Simulink đ Modeling 417
and Introduction to CPLDs and FPGAs, Second Edition
Copyright â Orchard Publications
Solutions to End−of−Chapter Exercises
4.9 Solutions ... equivalent.
11101.1011()
2
651.7()
8
EF9.B()
16
57()
10
0.54379()
10
0.79425()
10
0.7890625()
10
57.54379()
10
543.815()
10
683.275()
10
11011101111001.01111()
2
527.64()
8
1000110111001.01011()
2
A9C7.BD()
16
Digital Circuit Analysis and Designwith Simulink đ Modeling 115
and Introduction to CPLDs and FPGAs, Second Edition
Copyright â Orchard Publications
Solutions to End−of−Chapter ... Boolean Algebra
5
−8 Digital Circuit Analysis and Designwith Simulink đ Modeling
and Introduction to CPLDs and FPGAs, Second Edition
Copyright â Orchard Publications
5.6 Solutions to EndofChapter...