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ECET 340 Course Real Knowledge / ecet340dotcom

For more course tutorials visit<br>www.ecet340.com<br><br>ECET 340 Week 1 HomeWork 1<br>ECET 340 Week 1 iLab 1<br>ECET 340 Week 2 HomeWork 2<br>ECET 340 Week 2 iLab 2<br>ECET 340 Week 3 HomeWork 3<br>ECET 340 Week 3 iLab 3<br>ECET 340 Week 4 HomeWork 4<br>ECET 340 Week 4 iLab 4<br>ECET 340 Week 5 HomeWork 5<br>ECET 340 Week 5 iLab 5<br>ECET 340 Week 6 HomeWork 6<br>ECET 340 Week 6 iLab 6<br>ECET 340 Week 7 HomeWork 7<br>ECET 340 Week 7 iLab 7<br>

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ECET 340 Course Real Knowledge / ecet340dotcom

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  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 • ECET 340 Week 4 HomeWork 4 • ECET 340 Week 4 iLab 4 • ECET 340 Week 5 HomeWork 5 • 1. Give three examples each of internal and external peripheral devices as referenced to the HCS12 microcontroller and not an entire PC. (2 points)

  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. 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) • 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 otherwise returns its value to the main program. • 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?

  6. ECET 340 Course Real Knowledge / ecet340dotcom ECET 340 Week 4 iLab 4 (Devry) ECET 340 Week 5 HomeWork 5 (Devry) • 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.4. Use the internet to locate the data sheet for an MC1408 DAC. From it find, for the MC1408-7 version, the following:

  7. ECET 340 Course Real Knowledge / ecet340dotcom ECET 340 Week 5 iLab 5 (Devry) ECET 340 Week 6 HomeWork 6 (Devry) • 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. • 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?

  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

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