circuit design with vhdl volnei a pedroni download
Tài liệu Circuit design with VHDL ppt
Ngày tải lên :
12/12/2013, 11:16
... :=('0','0','0','1') for 1D array
:=(('0','1','1','1'), ('1','1','1','0')); for 1Dx1D or
2D array
Example: Legal and illegal ... type:
SIGNAL signal_name: type_name [:= initial_value];
In the syntax above, a SIGNAL was declared. However, it could also be a CON-
STANT or a VARIABLE. Notice that the initial value is optional (for ... them. In this chapter, all fundamental data
types are described, with special emphasis on those that are synthesizable. Discus-
sions on data compatibility and data conversion are also included.
3.1...
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Circuit Design with VHDL pptx
Ngày tải lên :
19/03/2014, 21:20
... one containing the name of the library, and the other a use clause, as
shown in the syntax below.
LIBRARY library_name;
USE library_name.package_name.package_parts;
At least three packages, from ... synthesizable.
Figure 3.1 illustrates the construction of data arrays. A single value (scalar) is
shown in (a) , a vector (1D array) in (b), an array of vectors (1Dx1D array) in (c), and
an array of ... new array type:
SIGNAL signal_name: type_name [:= initial_value];
In the syntax above, a SIGNAL was declared. Howe ver, it could also be a CON-
STANT or a VARIABLE. Notice that the initial value...
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Circuit Design with VHDL ppt
Ngày tải lên :
23/03/2014, 08:20
... specify a new array type:
TYPE type_name IS ARRAY (specification) OF data_type;
To make use of the new array type:
SIGNAL signal_name: type_name [:= initial_value];
In the syntax above, a SIGNAL was ... examples
below.
:="0001"; for 1D array
:=('0','0','0','1') for 1D array
:=(('0','1','1','1'), ('1','1','1','0')); ... declared. Howe ver, it could also be a CON-
STANT or a VARIABLE. Notice that the initial value is optional (for simulation
only).
Example: 1Dx1D array.
Say that we want to build an array containing...
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Circuit design with VHDL (vietnamese ver )
Ngày tải lên :
24/03/2014, 23:28
... array
SIGNAL a: STD_LOGIC; scalar signal
SIGNAL b: BIT; scalar signal
SIGNAL x: byte; 1D signal
SIGNAL y: STD_LOGIC_VECTOR (7 DOWNTO 0); 1D signal
SIGNAL v: BIT_VECTOR (3 DOWNTO 0); 1D signal
SIGNAL ... 1D
array
TYPE mem1 IS ARRAY (0 TO 3, 7 DOWNTO 0) OF STD_LOGIC; 2D
array
TYPE mem2 IS ARRAY (0 TO 3) OF byte; 1Dx1D
array
TYPE mem3 IS ARRAY (0 TO 3) OF STD_LOGIC_VECTOR(0 TO 7); 1Dx1D
array
SIGNAL ... STD_LOGIC_VECTOR (x'HIGH DOWNTO 0); 1D signal
SIGNAL w1: mem1; 2D signal
SIGNAL w2: mem2; 1Dx1D signal
SIGNAL w3: mem3; 1Dx1D signal
Legal scalar assignments:
x(2) <= a; same types (STD_LOGIC),...
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Circuit design with VHDL (2007)
Ngày tải lên :
01/04/2014, 17:41
... sequential. A RAM (Random Access Memory) is an example. A RAM
can be modeled as in figure 5.2. Notice that the storage elements appear in a forward
path rather than in a feedback loop. The memory-read ... Typesetters, Hong Kong and was printed and
bound in the United States of America.
Library of Congress Cataloging-in-Publication Data
Pedroni, Volnei A.
Circuit design with VHDL/ Volnei A. Pedroni.
p. cm.
Includes ... fixed, with the only restriction that
it must fall within the NATURAL range, which goes from 0 to ỵ2,147,483,647). The
data type was saved in a PACKAGE called my_data_types , and later used in an
ENTITY...
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Fundamentals of RF Circuit Design With Low Noise Oscillators
Ngày tải lên :
08/04/2013, 10:50
... Germany
Jacaranda Wiley Ltd, 33 Park Road, Milton,
Queensland 4064, Australia
John Wiley & Sons (Canada) Ltd, 22 Worcester Road
Rexdale, Ontario, M9W 1L1, Canada
John Wiley & Sons (Asia) ... power amplifier design and includes
Load Pull measurement and design techniques and a more analytic design example
of a broadband, efficient amplifier operating from 130 to 180 MHz. The design
example ... consists of an inverting
voltage amplifier with a capacitive feedback network, then this can be identically
modelled as a voltage amplifier with a larger input capacitor as shown in Figure
1.8b....
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Tài liệu Logic Design with VHDL doc
Ngày tải lên :
12/12/2013, 09:16
... Flip-flop
with Rising-edge Trigger
Q = D
+
NAND:
NOR:
C = (AB)' = A& apos; + B'
C = (A+ B)' = A& apos;B'
C
C
C
C
A
B
A
B
A
B
A
B
Figure 1-6 NAND and NOR Gates
Figure 1-28 Timing Diagram ... Elimination of 1-Hazard
0 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) ... Q
Q'
Z
G4
D3
Q2'
Q1
CLK
Q1
Q1'
Q2
Q2'
Q3'
Q3
X
X'
A1
A2
A3
A5
A6
X'
FF1
FF2
FF3
I1
Figure 1-20 Realization of Code Converter
D
C
A
B'
G
E
F
Z
A
G'
D
C'
B'
E
F
Z
Double...
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Circuit design with HDL Chapter 4 Structural modeling pdf
Ngày tải lên :
07/03/2014, 14:20
... delays vary within a [min max]
range because of the IC fabrication process variations.
Min, typ, or max values can be chosen at Verilog run time.
Method of choosing a min/typ/max value may vary ... enable, clock, clear );
edge_dff ff1( dataOut[1], dataIn[1], enable, clock, clear );
edge_dff ff2( dataOut[2], dataIn[2], enable, clock, clear );
edge_dff ff3( dataOut[3], dataIn[3], enable, ...
Primitive gates
12
Propagate only if control signal is asserted.
Propagate z if their control signal is de-asserted
Switches
Ref “Verilog digital system design , Zainalabedin Navabi for
design...
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Circuit design with HDL Chapter 5 Dataflow modeling (Expression) ppt
Ngày tải lên :
16/03/2014, 15:20
... assignments has no
influence on the logic
Common error
- Not assigning a wire a value
- Assigning a wire a value more than one
Target (LHS) is NEVER a reg variable
9
Relational ... Examples of basic operators
Operators
13
Continuous assignment
Drive a value onto a net
assign out = i1 & i2; //out is net; i1 and i2 are nets
Always active
Delay value: ... instantiation of
individual gates
RTL (register transfer level): is a combination of dataflow
and behavioral modeling
4
module comparator (result, A, B, greaterNotLess);
parameter...
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Digital Logic and Microprocessor Design With VHDL potx
Ngày tải lên :
19/03/2014, 21:20
... gates, a designer usually creates standard combinational and sequential components for building
larger circuits. In this way, a very large circuit, such as a microprocessor, can be built in a ... register, are
connected together with multiplexers and data signal lines. The data signal lines are for transferring data between
two functional units. Data signal lines in the circuit diagram are ...
9.4 General Datapaths
9.5 Using General Datapaths
9.6 A More Complex General Datapath
9.7 Timing Issues
9.8 VHDL for Datapaths
9.8.1 Dedicated Datapath ...
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Tài liệu PRINCIPLES OF ASYNCHRONOUS CIRCUIT DESIGN – A Systems Perspective pdf
Ngày tải lên :
09/12/2013, 21:15
... different. The absence of a
clock means that, in many circumstances, signals are required to be valid all
the time, that every signal transition has a meaning and, consequently, that
hazards and races ... 2.2. A delay-insensitive channel using the 4-phase dual-rail protocol.
Chapter 2: Fundamentals
19
C CC
CP
Latch
CP
Latch
CP
Latch
Req ReqReq
Ack
Ack
Ack
Req
Ack
Data
Data
Figure 2.10. A simple ... bubbles, tokens are represented with a circle around the value. In
this way a latch may hold a valid token, an empty token or a bubble. Bubbles
can be viewed as catalysts: a bubble allows a token to...
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Digital Circuit Analysis and Design with an Introduction to
Ngày tải lên :
19/02/2014, 17:19
... CPLDs and FPGAs
Orchard Publications
Set Operations in ABEL A- 9
Operators in ABEL A- 11
Logical Operators in ABEL A- 11
Arithmetic Operators in ABEL A- 12
Relational Operators in ABEL A- 12
Assignment ... Digital Circuit Analysis and Design with an Introduction to CPLDs and FPGAs 2-1
Orchard Publications
Chapter 2
Operations in Binary, Octal, and Hexadecimal Systems
his chapter begins with an introduction ... in ABEL
A- 22
Property Statements in ABEL A- 23
Active-Low Declarations in ABEL A- 23
Appendix B
Introduction to VHDL
Introduction B-1
The VHDL Design Approach B-1
VHDL as a Programming Language...
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Digital design with CPLD applications and VHDL by dueck
Ngày tải lên :
01/04/2014, 17:47
... simplification.
Quad A group of four adjacent cells in a Karnaugh map. A quad cancels two
variables in a K-map simplification.
Octet A group of eight adjacent cells in a Karnaugh map. An octet cancels ... surface mounting on a circuit board. Also called J-lead, for the
profile shape of the package leads.
Quad flat pack (QFP) A square surface-mount IC package with gull-wing leads.
Ball grid array ... coordinates of the two cells. For example, the cells for minterms ABC
and A
ෆ
BC are adjacent.
Pair A group of two adjacent cells in a Karnaugh map. A pair cancels one vari-
able in a K-map simplification.
Quad...
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Embedded SoPC design with nios II processor and VHDL examples
Ngày tải lên :
05/04/2014, 23:14
...
a & b concatenation
1-D array,
element
1-D array
a = b
a /= b
a < b
a <= b
a > b
a >= b
not a
a and b
a or b
a xor b
equal to
not equal to
less than
less than ... inputs, a and b, and asserts an output when
a is greater than b. We want to create a 4-bit greater-than circuit from the bottom
up and use only gate-level logical operators. Design the circuit as ... equal to
greater than
greater than or equal to
negation
and
or
xor
any
scalar or 1-D array
boolean
boolean
boolean, std_logic,
std_logic_vector
same as operand
Table 4.2 Overloaded...
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