ECET 340 Innovative Educator/ecet340.com

1
ECET 340 Innovative Educator/ecet340.com
2
ECET 340 Innovative Educator

• 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

3
ECET 340 Innovative Educator

• 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)

4
ECET 340 Innovative Educator

• 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.

5
ECET 340 Innovative Educator

• 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 Innovative Educator

• ECET 340 Week 2 iLab 2 (Devry)
• For more course tutorials visit
• www.ecet340.com
•  
• ECET 340 Week 2 iLab 2

7
ECET 340 Innovative Educator

• 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 Innovative Educator

• 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 Innovative Educator

• 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?

10
ECET 340 Innovative Educator

• 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.

11
ECET 340 Innovative Educator

• 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.

12
ECET 340 Innovative Educator

• 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 DAC

13
ECET 340 Innovative Educator

• 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?

14
ECET 340 Innovative Educator

• ECET 340 Week 6 iLab 6 (Devry)
• For more course tutorials visit
• www.ecet340.com
•  
• ECET 340 Week 6 iLab 6

15
ECET 340 Innovative Educator

• 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
• 4. How is stepper motor speed controlled? State
  any two ways a program can do this. 2 points

16
ECET 340 Innovative Educator

• ECET 340 Week 7 iLab 7 (Devry)
• For more course tutorials visit
• www.ecet340.com
•  
• ECET 340 Week 7 iLab 7
•  

17
ECET 340 Innovative Educator