... 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 ... Massachusetts 02142
http://mitpress.mit.edu
0-262-16224-5
,!7IA2G2-bgcceb!:t;K;k;K;k
Circuit Design
with
VHDL
Pedroni
46183Pedroninew 2004-10-11 14:06 Page 1
TLFeBOOK
Additionally, four appendices on...
... 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...
... applica-
WebDatabaseApplications
with PHP and MySQL
Downloa d f r o m W o w ! e B o o k < w w w.woweb o o k . c o m >
This is the Title of the Book, eMatter Edition
Copyright â 2007 O’Reilly ... Client in the Three-Tier Model
Given that a web database application built with a three-tier architecture doesn’t fit
naturally with HTTP, why use that model at all? The answer mostly lies in the popu-
larity ... unfamiliar with the web environment and its underly-
ing protocols. Appendix E is a brief introduction to entity-relationship modeling for
databases and shows the steps we took in designing the...
...
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...
... 2:
Mastering the Java
Persistence API
Spring Recipes,
2nd Edition
Pro
JSF and Ajax
Beginning Java
TM
EE 6
Platform with GlassFish
TM
3,
2nd Edition
THE APRESS ROADMAP
www.apress.com
SOURCE CODE ONLINE
Companion ... map objects to relational databases with
JPA 2.0, write a transactional business layer with EJB™ 3.1, add a presentation layer
with JSF™ 2.0, and interoperate with other diverse systems through ... written to
work with GlassFish™ 3, the very latest version of the Reference Implementation
for the Java EE platform. This 2ndedition adds new sections that were not in the 1st
edition and uses...
... 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...
... All of the
trim circuitry tend to scale with the process features so that as the process and the amplifi er circuit shrink,
the trim circuit also shrinks proportionally. The trim circuits are considerably ... offsets with a different amplifi er
design. This has not yet been implemented in a production part, but it remains a possibility.
External Trim
The offset adjustment pins started to disappear with ... specifi cations can occur with constant abuse by overvoltaging the op amp.
A common method of keeping the signal within the supplies is to clamp the signal to the supplies with
Schottky diodes...
... 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...