... V;
term_2 <= M AND D AND (NOT V);
term_3 <= M AND D AND V;
S <= term_1 OR term_2 OR term_3;
END Dataflow;
(a)
Digital LogicandMicroprocessorDesignwithVHDL Chapter 2 - Digital Circuits
50
... faculty and students.
Enoch O. Hwang
Riverside, California
Digital LogicandMicroprocessorDesignwithVHDL Preface
15
1.7 Summary Checklist
Microprocessor
General-purpose microprocessor ...
equivalent
inverse
Digital LogicandMicroprocessorDesignwithVHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting...
... equation
Digital LogicandMicroprocessorDesignwithVHDL Chapter 2 - Digital Circuits
51
Digital Logicand
Microprocessor Design
With VHDL
Enoch O. Hwang
La ... Appendix C.
Digital LogicandMicroprocessorDesignwithVHDL Chapter 1 - Designing Microprocessors
28
o: OUT STD _LOGIC) ;
END and2 gate;
ARCHITECTURE Dataflow OF and2 gate IS
BEGIN
o <= i1 AND i2;
END ...
equivalent
inverse
Digital LogicandMicroprocessorDesignwithVHDL Chapter 2 - Digital Circuits
43
the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting...
... inverter
A
B
C
D
E
F
Bubbles cancel
Figure 1-8
Conversion of AND- OR Network to NAND Gates
(a) AND_ OR network
(b) First step in NAND conversion
(c) Completed conversion
Latch
Q
DG
G D Q Q
+
0 ... 1-10
Clocked D Flip-flop
with Rising-edge Trigger
Q = D
+
NAND:
NOR:
C = (AB)' = A' + B'
C = (A+B)' = A'B'
C
C
C
C
A
B
A
B
A
B
A
B
Figure 1-6 NAND and NOR Gates
Figure ... is
begin Concurrent Assignments
Sum <= X xor Y xor Cin after 10 ns;
Cout <= (X and Y) or (X and Cin) or (Y and Cin) after 10 ns;
end Equations;
X
Y
Cin
Cout
Sum
FULL
ADDER
...
... another.
While books on VHDL give limited emphasis to digitaldesign concepts, and books
on digitaldesign discuss VHDL only briefly, the present work completely integrates
them. It is indeed a design- oriented ... expected.
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 VHDLandDigitalDesign is
achieved ... b), conv_signed(p, b), and conv_std _logic_ vector(p, b).
Packages std _logic_ signed and std _logic_ unsigned of library ieee: Contain functions
that allow operations with STD _LOGIC_ VECTOR data to...
... another.
While books on VHDL give limited emphasis to digitaldesign concepts, and books
on digitaldesign discuss VHDL only briefly, the present work completely integrates
them. It is indee d a design- oriented ... (clk'EVENT AND clk='1') 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 ... of VHDL.
Its first version was VHDL 87, later upgraded to the so-called VHDL 93. VHDL
was the original and first hardware description language to be standardized by the
Institute of Electrical and...
... b), conv_signed(p, b), and conv_std _logic_ vector(p, b).
Packages std _logic_ signed and std _logic_ unsigned of library ieee: Contain functions
that allow operations with STD _LOGIC_ VECTOR data to ... of VHDL.
Its first version was VHDL 87, later upgraded to the so-called VHDL 93. VHDL
was the original and first hardware description language to be standardized by the
Institute of Electrical and ... the
task of teaching VHDL. The integration between VHDLandDigitalDesign is
achieved through a long series of well-detailed design examples. A summary of the
complete designs presented in the...
... ieee.std _logic_ 1164.all;
ENTITY dff IS
PORT ( d, clk: IN STD _LOGIC;
q: BUFFER STD _LOGIC;
qbar: OUT STD _LOGIC) ;
END dff;
ARCHITECTURE ok OF dff IS
BEGIN
PROCESS (clk)
BEGIN
IF (clk'EVENT AND clk='1') ... 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 có thể lập trình được (Programmable Logic ... các thanh ghi.
Solution 2: With an internal VARIABLE
LIBRARY ieee;
USE ieee.std _logic_ 1164.all;
ENTITY shiftreg IS
PORT ( d, clk, rst: IN STD _LOGIC;
q: OUT STD _LOGIC) ;
END shiftreg;
ARCHITECTURE...
... numbers and
Solution:
Starting with the least significant digit column above, we add withand the table gives us
with no carry. Next, we add andand we get with no carry. Now, we add andand we
TABLE ... Binary, Octal, and Hexadecimal Systems
2-6 Digital Circuit Analysis andDesignwith an Introduction to CPLDs and FPGAs
Orchard Publications
get with no carry. Finally, we add andand that gives ... numbers and
Solution:
Starting with the least significant digit column above, we add withand the table gives us
i.e., with a carry of . Next we add and , with a carry of , or and , and the...
... provide a hands-on experience to
the students.
Chapter 5 is concerned with the theory anddesign of finite impulse response
(FIR) filters. Properties of FIR filters with linear phase, anddesign of ... power- and gain-
control” [3], and all of them done in a triband phone with TDMA, CDMA,
and analog signal processing! The mobile phone is just an example to illus-
trate the large number of digital ... that it can be considered a bandlimited signal. It is this signal that
is sampled and converted to a discrete-time signal and coded to a digital signal
by the analog-to -digital converter (ADC) that...