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• ECET 340 Entire Course (All ilabs and Homework)

• ECET 340 Week 1 HomeWork 1

• ECET 340 Week 1 HomeWork 1
• ECET 340 Week 1 iLab 1
• ECET 340 Week 2 HomeWork 2

• 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 Week 1 iLab 1

• ECET 340 Week 2 HomeWork 2

• OBJECTIVES
• To become familiar with Microcontroller MC9S12
  parallel ports and how simple input and output
  devices are interfaced through them.

• 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

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• ECET 340 Week 2 iLab 2

• ECET 340 Week 3 HomeWork 3

• ECET 340 Week 2 iLab 2

• 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 Week 3 iLab 3a

• ECET 340 Week 4 HomeWork 4

• SOLVED ECET 340 iLAB3
• OBJECTIVES
• To learn the basic operation of a keypad.

• Determine the conversion time for an ADC0804
  (8-bit), where 66 clocks per bit are required, if
  its clock frequency is 50 kHz.

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• ECET 340 Week 5 HomeWork 5

• ECET 340 Week 4 iLab 4

• OBJECTIVES
• To learn how to use A-to-D converters to digitize
  signals from analog input devices.

• 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

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• ECET 340 Week 5 iLab 5

• ECET 340 Week 6 HomeWork 6

• 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)

• 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 Week 6 iLab 6

• ECET 340 Week 7 HomeWork 7

• ECET 340 Week 6 iLab 6

• 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

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• ECET 340 Week 7 iLab 7

• ECET 340 Week 7 iLab 7

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