ECET 340 HELP Learn by Doing / ecet340help.com

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ECET 340 HELP Learn by Doing / ecet340help.com
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ECET 340 HELP Learn by Doing
ECET 340 Entire Course (All ilabs and Homework)
(Devry) FOR MORE CLASSES VISIT
www.ecet340help.com   ECET 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
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ECET 340 HELP Learn by Doing
ECET 340 Week 1 HomeWork 1 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   1. Give
three examples each of internal and external
peripheral devices as referenced to the HCS12
microcontroller and not an entire PC. (2 points)  
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ECET 340 HELP Learn by Doing
ECET 340 Week 1 iLab 1 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   OBJECTIVES T
o 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. To
learn how to organize a program to read data from
input ports, process the data, and display the
result on a simple output device.
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ECET 340 HELP Learn by Doing
ECET 340 Week 2 HomeWork 2 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.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
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ECET 340 HELP Learn by Doing
ECET 340 Week 2 iLab 2 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   ECET 340
Week 2 iLab 2
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ECET 340 HELP Learn by Doing
ECET 340 Week 3 HomeWork 3 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.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)
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ECET 340 HELP Learn by Doing
ECET 340 Week 3 iLab 3 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.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 HELP Learn by Doing
ECET 340 Week 4 HomeWork 4 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   1. 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 HELP Learn by Doing
ECET 340 Week 4 iLab 4 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   I.
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 HELP Learn by Doing
ECET 340 Week 5 HomeWork 5 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   1. 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 HELP Learn by Doing
ECET 340 Week 5 iLab 5 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   Scenario/Summ
ary 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.
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ECET 340 HELP Learn by Doing
ECET 340 Week 6 HomeWork 6 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   1. 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?  
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ECET 340 HELP Learn by Doing
ECET 340 Week 6 iLab 6 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   ECET 340
Week 6 iLab 6
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ECET 340 HELP Learn by Doing
ECET 340 Week 7 HomeWork 7 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.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 HELP Learn by Doing
ECET 340 Week 7 iLab 7 (Devry) FOR MORE
CLASSES VISIT www.ecet340help.com   ECET 340
Week 7 iLab 7  
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ECET 340 HELP Learn by Doing