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ECET 340 Innovation is Our Tradition/ecet340.com

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Title: ECET 340 Innovation is Our Tradition/ecet340.com


1
ECET 340 Innovation is Our
Tradition/ecet340.com
2
ECET 340 Innovation is Our Tradition
  • ECET 340 Entire Course (All ilabs and Homework)
    (Devry)
  • For more course tutorials visit
  • www.ecet340.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

3
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 1 HomeWork 1 (Devry)
  • For more course tutorials visit
  • www.ecet340.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 must be
    considered when designing an interface between
    two different hardware components. (2 points)

4
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 1 iLab 1 (Devry)
  • For more course tutorials visit
  • www.ecet340.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 Innovation is Our Tradition
  • ECET 340 Week 2 HomeWork 2 (Devry)
  • For more course tutorials visit
  • www.ecet340.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 Innovation is Our Tradition
  • ECET 340 Week 2 iLab 2 (Devry)
  • For more course tutorials visit
  • www.ecet340.com
  • ECET 340 Week 2 iLab 2

7
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 3 HomeWork 3 (Devry)
  • For more course tutorials visit
  • www.ecet340.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)

8
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 3 iLab 3 (Devry)
  • For more course tutorials visit
  • www.ecet340.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.

9
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 4 HomeWork 4 (Devry)
  • For more course tutorials visit
  • www.ecet340.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 Innovation is Our Tradition
  • ECET 340 Week 4 iLab 4 (Devry)
  • For more course tutorials visit
  • www.ecet340.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.

11
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 5 HomeWork 5 (Devry)
  • For more course tutorials visit
  • www.ecet340.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 11103. Find the number
    of discrete voltages output by a 12-bit DAC. Show
    work.4. Use the internet to locate the data
    sheet for an MC1408 DAC. From it find, for the
    MC1408-7 version, the following

12
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 5 iLab 5 (Devry)
  • For more course tutorials visit
  • www.ecet340.com
  • Scenario/Summary
  • This week's lab covers two areas, conversion of
    digital HCS12signals to an analog format, and
    the use of a Serial Peripheral Interface (SPI)to
    transfer data, and commands between the HCS12,
    and the DACperipheral.

13
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 6 HomeWork 6 (Devry)
  • For more course tutorials visit
  • www.ecet340.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?3. What is
    the maximum time possible before the free-running
    counter overflows when the e MHz?

14
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 6 iLab 6 (Devry)
  • For more course tutorials visit
  • www.ecet340.com
  • ECET 340 Week 6 iLab 6

15
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 7 HomeWork 7 (Devry)
  • For more course tutorials visit
  • www.ecet340.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

16
ECET 340 Innovation is Our Tradition
  • ECET 340 Week 7 iLab 7 (Devry)
  • For more course tutorials visit
  • www.ecet340.com
  • ECET 340 Week 7 iLab 7

17
ECET 340 Innovation is
Our Tradition
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