ECET 340 Course Real Knowledge / ecet340dotcom

1
ECET 340 Course Real Knowledge / ecet340dotcom
For More Tutorials
www.ecet340.com
2
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Entire Course (All ilabs and Homework)
  (Devry)

• ECET 340 Week 1 HomeWork 1 (Devry)

• 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

• 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

3
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 1 iLab 1 (Devry)

• ECET 340 Week 2 HomeWork 2 (Devry)

• 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

• 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

4
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 2 iLab 2 (Devry)

• ECET 340 Week 3 HomeWork 3 (Devry)

• 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)

5
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 3 iLab 3 (Devry)

• ECET 340 Week 4 HomeWork 4 (Devry)

• 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.

• 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?

6
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 4 iLab 4 (Devry)

• ECET 340 Week 5 HomeWork 5 (Devry)

• 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

• 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.

7
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 5 iLab 5 (Devry)

• ECET 340 Week 6 HomeWork 6 (Devry)

• 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

• 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?

8
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 6 iLab 6 (Devry)

• ECET 340 Week 7 HomeWork 7 (Devry)

• 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
• 3. Calculate the number of steps per revolution
  for a stepper motor with a step angle of 7.5. 2
  points

9
ECET 340 Course Real Knowledge / ecet340dotcom

• ECET 340 Week 7 iLab 7 (Devry)

• ECET 340 Week 7 iLab 7

10
ECET 340 Course Real Knowledge / ecet340dotcom
For More Tutorials
www.ecet340.com