... Computer Engineering
ECE380 Digital Logic
Introduction to Logic Circuits:
Design Examples
Dr. D. J. Jackson Lecture 5-2Electrical & Computer Engineering
Design examples
• Logic circuits provide ... Engineering
ECE380 Digital Logic
Introduction to Logic Circuits:
Synthesis using AND, OR, and
NOT gates
Dr. D. J. Jackson Lecture 4-2Electrical & Computer Engineering
Example logic circuit design
• ... AND logical AND
–OR logical OR
– NOT logical NOT
– NAND, NOR, XOR, XNOR (covered later)
• Assignment operator <=
– A variable (usually an output) should be assigned the result
of the logic...
...
inverse
Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting digital ... to reduce a Boolean equation
Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits
51
Digital Logic and
Microprocessor Design
With VHDL
Enoch ... gate
LIBRARY ieee;
USE ieee.std _logic_ 1164.ALL;
ENTITY and2gate IS PORT(
i1, i2: IN STD _LOGIC;
Digital Logic and Microprocessor Design with VHDL Chapter 1 - Designing Microprocessors
24
Notice,...
...
inverse
Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting digital ... IEEE.STD _LOGIC_ 1164.all;
ENTITY Siren IS PORT (
M: IN STD _LOGIC;
D: IN STD _LOGIC;
V: IN STD _LOGIC;
S: OUT STD _LOGIC) ;
END Siren;
ARCHITECTURE Dataflow OF Siren IS
SIGNAL term_1, term_2, term_3: STD _LOGIC;
BEGIN
term_1 ... Next-state logic
State memory
Output logic
Combinational circuit
Sequential circuit
Transistor level design
Gate level design
Register-transfer level design
Behavioral level design...
... project: File > Save.
Tìm hiểu công nghệ DesignBy Contract và Xây dựng công cụ hỗ trợ cho C#
12
Biểu diễn DesignBy Contract trong Eiffel:
Precondition:
require
boolean ... tới hàm này.
Thực tế phương pháp của Designby Contract còn đi xa hơn nữa.
Viết đoạn chương trình này vào sau do
Tìm hiểu công nghệ DesignBy Contract và Xây dựng công cụ hỗ trợ ... hiểu công nghệ DesignBy Contract và Xây dựng công cụ hỗ trợ cho C#
8
TỔNG QUAN
Các hướng nghiên cứu đã có của một số tác giả:
- Bertrand Meyer, tác giả của công nghệ DesignBy Contract và...
... 1
0 0
F
1
1
1
0
Figure 3-9. (a) Electrical characteristics of a device.
(b) Positive logic. (c) Negative logic.
Data in
Write
gate
I
0
I
1
I
2
QD
CK
Word 0
Word 1
Word 2
Word 3
O
1
O
2
O
3
CS
RD
OE
Word ... management
Miscellaneous
64
3
27
Power
5
VID
TRDY#Response
RS#
3
Misc#
5
Misc#
Parity#
3
3
Parity#
5
REQ#
ADS#
33
A#
Misc#
BPRI#
DBSY#
DRDY#
LOCK#
D#
Pentium II
CPU
Bus
arbitration
Request
Data
Snoop
Error
Φ
Figure 3-44. Logical pinout of the Pentium II. Names in
upper case are the official Intel names for individual ... only
NOR
gates.
Collector
Base
+V
CC
V
out
V
in
Emitter
(a)
V
out
+V
CC
+V
CC
V
out
V
2
(b)
V
1
V
1
(c)
V
2
Figure 3-1. (a) A transistor inverter. (b) A
NAND
gate. (c) A
NOR
gate.
A
INVA
ENA
B
Logical unit
Carry in
AB
B
Enable
lines
F
0
F
1
Decoder
Output
Sum
Carry out
Full
adder
A + B
ENB
Figure...
... DATA
SECTION
Condition
Signals
Data
In
Data
Out
Clock
Control
Inputs
Control
Signals
Figure 1-31 Synchronous Digital System
9
Figure 2-5 D Flip-flop Model
entity DFF is
port (D, CLK: in bit;
Q: out bit; ... '1');
initialize QN to '1' since bit signals are initialized to '0' by default
end DFF;
architecture SIMPLE of DFF is
begin
process (CLK) process is executed when...
... Ed
8
Analog
and
Digital Filter Design
Denormalization of State Variable Design
Cauer and Inverse Chebyshev Active Filters
Denormalizing Biquad Designs
Reference
Exercises
CHAPTER ... processing.
38
Digital
Analog and Digital Filter Design
Filter Types
Digital filters are becoming more widespread in use and are replacing analog
filters in many systems. Digital filters ... is pro-
duced by an algebraic equation,
so
the designer must be familiar with arithmetic
and algebra in order to produce these coefficients.
46
Analog and Digital Filter Design
BUTTERWORTH...
... [
15
N]-labelling achieved by cell -free pro-
tein synthesis has been demonstrated for each of the
19 nonproline residues [18]. Time and expense can be
drastically reduced by use of cell -free systems
[11,18,21], ... type.
15
N-labelled proteins by cell -free synthesis K. Ozawa et al.
4156 FEBS Journal 273 (2006) 4154–4159 ª 2006 The Authors Journal compilation ª 2006 FEBS
MINIREVIEW
15
N-Labelled proteins by cell -free protein ... coherence (HSQC) spectra of
proteins made by cell -free expression can be recorded
quickly at the concentration delivered by the reaction
mixture.
Keywords
cell -free protein synthesis; combinatorial
labelling;
15
N-HSQC;
15
N-labelled...
... sacred.
3. (
3. (
Logic
Logic
) a sign or representation which stands for its
) a sign or representation which stands for its
object by virtue of a resemblance or analogy to it
object by virtue of ... become illegible
Too many icons quickly become illegible
40
6750-Spr ‘07
Icon Design
Icon Design
•
•
Design task
Design task
Curvy road ahead
Curvy road ahead
1
1
-
-
way street
way street
22
43
6750-Spr ... not?
Why not?
44
6750-Spr ‘07
Icon Design
Icon Design
What do each of these signify?
Almost always want to accompany your icons
by a text label
Observation: Icon design has partially moved
from...
... over-the-air.
Digital Cable
Digital cable services can be carried on the same cable as analog,
using different channel allocations for the analog and digital
signals. In the United States, digital ... One
unique feature of this system is that the digital radio channels are
intermingled with ISDB digital television channels in the same
band.
DRM
DRM stands for Digital Radio Mondiale, a system developed ... introduced in the United Kingdom in
1995, DAB stands for Digital Audio Broadcasting, which is also
known as Eureka 147 and, in the United Kingdom, as Digital Radio.
DAB has quality advantages similar...
... any digitaldesign is design validation. Design val-
idation is the process that a designer checks his or her design for any
design flaws that may have occurred in the design process. A design ... developed
by designer to assert that these properties are not violated. An asser-
tion monitor fires if a design property put in by the designer is violated.
This alerts the designer that the design ... synthesis of
digital systems. We will discuss Register Transfer (RT) level digital system
design, and discuss how Verilog can be used in this design flow.
In the last few years RT level design of digital...