ECET 340 Competitive Success--snaptutorial.com (1)

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ECET 340 Competitive Success/snaptutorial.com
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Entire Course (All ilabs and Homework)
For more classes visit www.snaptutorial.com   ECE
T 340 Week 1 HomeWork 1 ECET 340 Week 1 iLab
1 ECET 340 Week 2 HomeWork 2 ECET 340 Week 2 iLab
2 ECET 340 Week 3 HomeWork 3 ECET 340 Week 3 iLab
3 ECET 340 Week 4 HomeWork 4
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 1 HomeWork 1 For more classes
visit www.snaptutorial.com   Give three examples
each of internal and external peripheral devices
as referenced to the HCS12 microcontroller and
not an entire PC. (2 points)   2. Given the
requirements of each signals destination must
match the capabilities of the signals source,
name some of the electrical signal parameters
that must be considered when designing an
interface between two different hardware
components. (2 points)  
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 1 iLab 1 For more classes
visit www.snaptutorial.com   OBJECTIVES To
become familiar with Microcontroller MC9S12
parallel ports and how simple input and output
devices are interfaced through them. To learn how
to program I/O instructions in C language.
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 2 HomeWork 2 For more classes
visit www.snaptutorial.com   1. Where does
program control transfer to when an interrupt
occurs? 2 points 2. Which one of the following
Interrupts has highest priority? 2 points 3. RAM
Vector table addresses 3E52 belongs to which
interrupt? 2 points 4. Before exiting an ISR,
the programmer should use which command? 2
points 5. In which one of the following sequences
is the stack pulled by rti? 3 points 6. Given
the starting address for the TC0 Interrupt is to
become 5000. Write the assembly instruction
necessary to pla
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 2 iLab 2 For more classes
visit www.snaptutorial.com   ECET 340 Week 2 iLab
2      
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 3 HomeWork 3 For more classes
visit www.snaptutorial.com   1. Sketch a circuit
that can be used to debounce a pushbutton and
explain how it works. (4 points max) 2. In Figure
7.32 on page 339 of the Huang textbook, if the
row has and the columnsare , which key is
pressed? (2 points max) 3. In Figure 7.32 on page
339 of the Huang textbook, explain why the 10k?
resistors ties to VCC are required. (2 points max)
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 3 iLab 3a For more classes
visit www.snaptutorial.com   SOLVED ECET 340
iLAB3 OBJECTIVES To learn the basic operation of
a keypad. To understand how to interface a keypad
to a microprocessor. To learn how to program a
keypad driver in C language.
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 4 HomeWork 4 For more classes
visit www.snaptutorial.com   Determine the
conversion time for an ADC0804 (8-bit), where 66
clocks per bit are required, if its clock
frequency is 50 kHz.   2. If an 8-bit SAR has
Vref 10 V, what is the binary value for an
input voltage of 7.28 V?
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 4 iLab 4 For more classes
visit www.snaptutorial.com   OBJECTIVES To learn
how to use A-to-D converters to digitize signals
from analog input devices. To learn how to write
a C language program that samples the data from
an analog device, digitizes it and formats it for
output on an LCD. To become more proficient in
programming displays for real-time operation.  
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 5 HomeWork 5 For more classes
visit www.snaptutorial.com   Explain, briefly,
why an analog restoring filter is sometimes used
at the output of a DAC.   2. Given Iref 2 mA
for a DAC1408 IC, find Iout for the input 1110
1110   3. Find the number of discrete voltages
output by a 12-bit DAC. Show work.
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 5 iLab 5 For more classes
visit www.snaptutorial.com   Scenario/Summary This
week's lab covers two areas, conversion of
digital HCS12 signals to an analog format, and
the use of a Serial Peripheral Interface (SPI)
to transfer data, and commands between the
HCS12, and the DAC peripheral. Deliverables For
this lab, the deliverables include the cover
sheet,
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 6 HomeWork 6 For more classes
visit www.snaptutorial.com   What are the four
main functions of the HC12 Timer unit?   2. Two
input capture events occur at counts 0x1037 and
0xFF20 of the free-running counter. How many
counts (in decimal) have transpired between these
two events?   3. What is the maximum time
possible before the free-running counter
overflows when the e MHz?  
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 6 iLab 6 For more classes
visit www.snaptutorial.com   ECET 340 Week 6 iLab
6  
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 7 HomeWork 7 For more classes
visit www.snaptutorial.com   1. The movable part
of the solenoid is the 2 points 2. Why is the
6N139 optoisolator used in the interfaces to
devices such as large motors? 2 points 3.
Calculate the number of steps per revolution for
a stepper motor with a step angle of 7.5. 2
points 4. How is stepper motor speed controlled?
State any two ways a program can do this. 2
points
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ECET 340 Competitive Success/snaptutorial.com
ECET 340 Week 7 iLab 7 For more classes
visit www.snaptutorial.com   ECET 340 Week 7 iLab
7        
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ECET 340 Competitive Success/snaptutorial.com