Title: ECET 340 HELP Real Education / ecet340help.com
1ECET 340 HELP Real Education / ecet340help.com
2 ECET 340 HELP Real Education
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
4 ECET 340 Week 4 iLab 4
3 ECET 340 HELP Real Education
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) 2. Given the requirements of each
signals destination must match the capabilities
of the signals source, name some of the
electrical signal parameters that
4 ECET 340 HELP Real Education
ECET 340 Week 1 iLab 1 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.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. 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.
5 ECET 340 HELP Real Education
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
6 ECET 340 HELP Real Education
ECET 340 Week 2 iLab 2 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.com ECET 340 Week 2 iLab
2
7 ECET 340 HELP Real Education
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) 3. In Figure 7.32 on page
339 of the Huang textbook
8 ECET 340 HELP Real Education
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. To learn how to
program a keypad activated interrupt that
identifies the key being pressed and displays or
9 ECET 340 HELP Real Education
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? 3. What is the percent
error for the binary answer found in Problem 2?
10 ECET 340 HELP Real Education
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
11 ECET 340 HELP Real Education
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.
12 ECET 340 HELP Real Education
ECET 340 Week 5 iLab 5 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.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.
13 ECET 340 HELP Real Education
ECET 340 Week 5 iLab 5 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.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.
14 ECET 340 HELP Real Education
ECET 340 Week 6 iLab 6 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.com ECET 340 Week 6 iLab
6
15 ECET 340 HELP Real Education
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
16 ECET 340 HELP Real Education
ECET 340 Week 7 iLab 7 (Devry) FOR MORE CLASSES
VISIT www.ecet340help.com ECET 340 Week 7 iLab
7
17 ECET 340 HELP Real Education