Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Chapter 3, Problem 58E
To determine
Explain why voltage division is not a valid approach to determine voltage across
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circuit 2
Suppose you have 8 LED's connected to port-B (Bo-B7) of PIC16F877A and one switch
connected to port-D (Do) as shown in figure below. Write a program code that performs a
nibble (4-bits) toggling: if the switch is released then LED's (Bo to B3) are OFF and LED's
(B4 to B7) are ON, while if the switch is pressed then LED's (Bo to B3) are ON and LED's
(B4 to B7) are OFF. Use 300ms delay for each case with 4MHz frequency.
13
14
22 NATHON 20
U1
OSC1/CLKIN
U2
33
REOINT
20
34
OSC2/CLKOUT
19
RB1
35
3
18
RB2
RADIANO debt0RB3PGM
30
4
17
37
5
10
RA1/AN1
RB4
38
RA2/ANZ/VREF-/CVREF
15
RB5
39097
RA3/AN3VREF RB6/PGC
7
14
40
RA4/TOCK/C1OUT
13
RB7/PGO
RAS/ANA/SS/CZOUT
15
RCO/T1OSO/TICKI
10
11
REQIANS/RD
18
RC1/T10S/CCP2
17
10
RE1/AN/WR
REZ/ANTICS
MCLR/Vpp/THV
RC2/CCP1
LED-BARGRAPH-RED
RC3/SCK/SCL
RC4/SDUSDA
RC5/SDO
Eng of ROSTX/CX
RC7/RX/DT
RDO/PSPO
RD1/PSP1
RD2PSP2
RO3/PSP3
RD4/PSP4
ROS/PSP5
RD6/PSP6
RD7/PSP7
PIC16F877A
+5V
R1
100R
Write a PIC16F877A program that flash ON the 8-LED's connected to port-B by using
two switches connected to port-D (Do & D₁) as shown in figure below, according to the
following scenarios: (Hint: Use 500ms delay for each case with 4MHz frequency)
1. When Do=1 then B₁,B3,B, are ON.
2. When Do 0 then Bo,B2,B4, B5, B6 are ON.
3. When D₁=1 then B4,B,,B6,B7 are ON.
4. When D₁-0 then Bo,B1,B2,B3 are ON.
U1
5
33
OSC/CLION
OSC2/CLKOUT
ROOINT
RB1
35
RB2
20
17
RACIANO
RESPOM
RATANT
RAZIANZ/VREF-CVREF
RBS
RA3/AN3/VREF+
REPOC
39
14
40
RA4/TOCK C1OUT
13
RB7/PGO
12
RASIAN/SCOUT
15
ROOT1050/TICK
+5V
REGIANERD
REVANDVIR
REZANTICS
RCMT10SUCCP2
17
RC2/CCP1
LED-BARGRAPH-RED
RC3SCHISCL
23
---
MCUANTV
RC4/SOSDA 24
RCS/SDO
RCB/TICK
RC7/RXDT
25
ROOPSPO
RDMPSP1
RD2PSF2
RO3PSP3
RD4PSP4
RDSPSPS
PIC16F877A
ROOPSP
RO7/PSP7
R2
R1
100R 100R
Chapter 3 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 3.2 - 3.1 (a) Count the number of branches and nodes in...Ch. 3.3 - Determine ix and vx in the circuit of Fig. 3.7....Ch. 3.3 - For the circuit of Fig. 3.9, if vR1=1V, determine...Ch. 3.3 - Determine vx in the circuit of Fig. 3.11.Ch. 3.4 - In the circuit of Fig. 3.12b, vs1 = 120 V, vs2 =...Ch. 3.4 - 3.6 In the circuit of Fig. 3.14, find the power...Ch. 3.5 - Determine v in the circuit of Fig. 3.16.Ch. 3.5 - For the single-node-pair circuit of Fig. 3.18,...Ch. 3.6 - Determine the current i in the circuit of Fig....Ch. 3.6 - Determine the voltage v in the circuit of Fig....
Ch. 3.6 - Determine whether the circuit of Fig. 3.25...Ch. 3.7 - 3.12 Determine a single-value equivalent...Ch. 3.7 - 3.13 Determine i in the circuit of Fig. 3.29....Ch. 3.7 - Determine v in the circuit of Fig. 3.31 by first...Ch. 3.7 - 3.15 For the circuit of Fig. 3.33, calculate the...Ch. 3.8 - 3.16 Use voltage division to determine vx in the...Ch. 3.8 - In the circuit of Fig. 3.40, use resistance...Ch. 3 - Referring to the circuit depicted in Fig. 3.45,...Ch. 3 - Referring to the circuit depicted in Fig. 3.46,...Ch. 3 - For the circuit of Fig. 3.47: (a) Count the number...Ch. 3 - For the circuit of Fig. 3.47: (a) Count the number...Ch. 3 - Refer to the circuit of Fig. 3.48, and answer the...Ch. 3 - A local restaurant has a neon sign constructed...Ch. 3 - Referring to the single-node diagram of Fig. 3.50,...Ch. 3 - Determine the current labeled I in each of the...Ch. 3 - In the circuit shown in Fig. 3.52, the resistor...Ch. 3 - The circuit of Fig. 3.53 represents a system...Ch. 3 - In the circuit depicted in Fig. 3.54, ix is...Ch. 3 - For the circuit of Fig. 3.55 (which employs a...Ch. 3 - Determine the current labeled I3 in the circuit of...Ch. 3 - Study the circuit depicted in Fig. 3.57, and...Ch. 3 - Prob. 15ECh. 3 - For the circuit of Fig. 3.58: (a) Determine the...Ch. 3 - For each of the circuits in Fig. 3.59, determine...Ch. 3 - Use KVL to obtain a numerical value for the...Ch. 3 - Prob. 19ECh. 3 - In the circuit of Fig. 3.55, calculate the voltage...Ch. 3 - Determine the value of vx as labeled in the...Ch. 3 - Consider the simple circuit shown in Fig. 3.63....Ch. 3 - (a) Determine a numerical value for each current...Ch. 3 - The circuit shown in Fig. 3.65 includes a device...Ch. 3 - The circuit of Fig. 3.12b is constructed with the...Ch. 3 - Obtain a numerical value for the power absorbed by...Ch. 3 - Compute the power absorbed by each element of the...Ch. 3 - Compute the power absorbed by each element in the...Ch. 3 - Kirchhoffs laws apply whether or not Ohms law...Ch. 3 - Referring to the circuit of Fig. 3.70, (a)...Ch. 3 - Determine a value for the voltage v as labeled in...Ch. 3 - Referring to the circuit depicted in Fig. 3.72,...Ch. 3 - Determine the voltage v as labeled in Fig. 3.73,...Ch. 3 - Although drawn so that it may not appear obvious...Ch. 3 - Determine the numerical value for veq in Fig....Ch. 3 - Determine the numerical value for ieq in Fig....Ch. 3 - For the circuit presented in Fig. 3.76. determine...Ch. 3 - Determine the value of v1 required to obtain a...Ch. 3 - (a) For the circuit of Fig. 3.78, determine the...Ch. 3 - What value of IS in the circuit of Fig. 3.79 will...Ch. 3 - (a) Determine the values for IX and VY in the...Ch. 3 - Determine the equivalent resistance of each of the...Ch. 3 - For each network depicted in Fig. 3.82, determine...Ch. 3 - (a) Simplify the circuit of Fig. 3.83 as much as...Ch. 3 - (a) Simplify the circuit of Fig. 3.84, using...Ch. 3 - Making appropriate use of resistor combination...Ch. 3 - Calculate the voltage labeled vx in the circuit of...Ch. 3 - Determine the power absorbed by the 15 resistor...Ch. 3 - Calculate the equivalent resistance Req of the...Ch. 3 - Show how to combine four 100 resistors to obtain...Ch. 3 - Prob. 51ECh. 3 - Prob. 52ECh. 3 - Prob. 53ECh. 3 - Prob. 54ECh. 3 - Prob. 55ECh. 3 - Prob. 56ECh. 3 - Prob. 57ECh. 3 - Prob. 58ECh. 3 - Prob. 59ECh. 3 - Prob. 60ECh. 3 - With regard to the circuit shown in Fig. 3.98,...Ch. 3 - Delete the leftmost 10 resistor in the circuit of...Ch. 3 - Consider the seven-element circuit depicted in...
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