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ECET 365 Devry Course Tutorial / Devrycart

ECET 365 Entire Course
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ECET 365 Lab 1 Using the Serial Communication Interface in a Microcontroller
ECET 365 Lab 2 Temperature Measuring System using a Microcontroller
ECET 365 Lab 3 Traffic Light Control Using Finite State Machines (FSM)
ECET 365 Lab 4 Servo Control Using Pulse Width Modulation (PWM)
ECET 365 Lab 5 Servo Motor Interfaces-Closed-Loop Motor Speed Control
ECET 365 Lab 6 Servo Motor Interfaces-Closed-Loop Motor Speed Control
ECET 365 Weeks 2-6 Quizzes

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……………………………………………………………………………………………………………………………………………………ECET 365 Week 6 Quiz
For more course tutorials visit
www.devrycart.com
1. Question : (TCO #6) How many 16bit PWM channels are available in the Freescale 9S12DG256 microcontrollerStudent Answer: Two
Four
Seven
Eight
Comments:
2. Question : (TCO #6) When concatenating the two 8bit PWM Channels 3 and 2 to get a 16-bit PWM channel, _____ becomes the low-order byte.
Student Answer: Channel 7
Channel 2
Channel 5
Channel 3
Comments:
3. Question : (TCO #6) To enable Channel 7 of the PWM to 9S12DG256, which of the following must be doneStudent Answer: Set PWME7 = 1
Set PWME7 = 0
Set CAE7 = 1
Set CAE7 = 0
Comments:
4. Question : (TCO #6) What is Clock SA when PWMSCLA = 0x01 and Clock A = 4MHzStudent Answer: 5MHz
4MHz
8MHz
2MHz
Comments:
5. Question : (TCO #6) What is Clock SA when PWMSCLA = 0x00 and Clock A = 8MHzStudent Answer: 8MHz
15625Hz
8MHz
31250Hz
Comments:
6. Question : (TCO #6) A bus clock is set to 4000 kHz. What is the Clock A’s value if PWMPRCLK = 0x02Student Answer: 1MHz
3MHz
2MHz
8MHz
Comments:
7. Question : (TCO #6) In case of centeraligned PWM, which formula can be used for the duty cycle of the output waveformStudent Answer: Duty Cycle = [(PWMPERx PWMDTYx) / PWMPERx] * 100%
Duty Cycle = [PWMDTYx /…

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