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A mega2560 has a CPU clockfrequency on 2 MHz Timer 1 is initalized to CTC mode...
E7.6 Write a C function that uses the internal 2 MHz oscillator to generate system clocks so that...
Using Atmel Studio 7 and device ATMEGA128A
E7.6 Write a C function that uses the internal 2 MHz oscillator to generate system clocks so that the frequency of clkcpu is 32 MHz CPU
E7.6 Write a C function that uses the internal 2 MHz oscillator to generate system clocks so that the frequency of clkcpu is 32 MHz CPU
Question 2 5 pts What is the maximum delay that can generated by the SysTick timer...
Question 2 5 pts What is the maximum delay that can generated by the SysTick timer (24-bit Timer) if the system clock frequency is 120 MHz. HTML Editora B IV AA- IX EE11 1 XX, DON V VD 12pt - Paragraph
Problem 1: SysTick Configuration The System Timer (SysTick) is a 24-bit timer that requires 4 steps to initialize....
Problem 1: SysTick Configuration The System Timer (SysTick) is a 24-bit timer that requires 4 steps to initialize. One of the 4 steps involves loading the RELOAD value. a) Provide in hexadecimal the range of valid RELOAD values. b) We can use SysTick to create time delays or generate periodic Interrupts. What are the two ways that interrupts generated by SysTick can be recognized by the CPU
Problem 1: SysTick Configuration The System Timer (SysTick) is a 24-bit timer that...
A)What is the maximum delay that can generated by an 8 bit Timer with a prescale...
A)What is the maximum delay that can generated by an 8 bit Timer with a prescale divider value of 0 and a system clock frequency of 16 MHz? B) In the HCS12, port T is a bidirectional port. Write a short segment of code (C and Assembly) that illustrates how to initialize port T so that bits 7-4 may be used as outputs and bits 3-0 may be used as inputs: C)If you are using an output compare with interrupts...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty cycle D(%)- 85, VCC = 5V, find the range of variation off and D(%) if the voltage at the control input is modulated by a.c. coupling to it an external sine wave with a peak amplitude of IV. Assume C 0.01uF Ir.
3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillato...
3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillator. A timeout should occur if the function watchdog reset is not called within is minutes. What value should be loaded into the up-counter pair when the function called.
3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillator. A timeout should occur if the function watchdog reset is not called within is minutes. What value should...
Question 4 (20 marks) (a) A Timer 2 block diagram is shown in Fig.7. Timer 2...
Question 4 (20 marks) (a) A Timer 2 block diagram is shown in Fig.7. Timer 2 is used to generate a delay of 50 us. Determine the value of the PR2 if the TMR2 is 0, the prescaler and the postscaler of 1:1 are selected. Assume that the crystal clock is running at the frequency of 20 MHz. Ignore the overhead due to instructions in the calculation. [6 marks] (ii) Explain how the microcontroller knows the delay of 50 us...
18. We have two types of machine as follows: Processor Clock Rate (MHz)PSat CPU time (see...
18. We have two types of machine as follows: Processor Clock Rate (MHz)PSat CPU time (see 12 x Machine A Machine B 25 Mache A requires 12 times longer than Machine B measured in CPU time. For example, a program takes 1 second in Machine B will take 12 seconds. 1) What is the relative size of the instruction count for the program running on the two machines? 2) What is the effective CPI for the two machines?
Integrated Circuit: LM555 Timer 1. Using the data sheet, determine the pin numbers of the 555...
Integrated Circuit: LM555 Timer 1. Using the data sheet, determine the pin numbers of the 555 timer and each pin designation. 2. Determine the supply voltage limits. Can you use the timer with 3 volts? With 24 volts? 3. Determine the supply current (what the 555 timer consumes to operate) 4. Determine the allowable power dissipation. 5. Knowing the allowable power dissipation, calculate the maximum current allowable at the output using a 12-volt supply. What is the maximum number of...
0/1pts Question 1 PIC32MX has a PBCLK frequency of 18.9 MHz. What i the SPI1 Baud...
0/1pts Question 1 PIC32MX has a PBCLK frequency of 18.9 MHz. What i the SPI1 Baud Rate kb/s to one decimal place) given the following register settings? SPI1BRG 71; wered 131.3 Answer 128.2 margin of error +/-0.1 0/1pts Question 2 PIC32MX has a PBCLK frequency of 32.2 MHz. What the SPI1 Baud Rate n kb/s to one decimal place) given the following register settings? SPI1BRG 0x046 wered 226.8 Answer 221.4
0/1pts Question 1 PIC32MX has a PBCLK frequency of 18.9...
Using Atmel Studio 7 and device ATMEGA128A
E7.6 Write a C function that uses the internal 2 MHz oscillator to generate system clocks so that the frequency of clkcpu is 32 MHz CPU
E7.6 Write a C function that uses the internal 2 MHz oscillator to generate system clocks so that the frequency of clkcpu is 32 MHz CPU
Question 2 5 pts What is the maximum delay that can generated by the SysTick timer (24-bit Timer) if the system clock frequency is 120 MHz. HTML Editora B IV AA- IX EE11 1 XX, DON V VD 12pt - Paragraph
Problem 1: SysTick Configuration The System Timer (SysTick) is a 24-bit timer that requires 4 steps to initialize. One of the 4 steps involves loading the RELOAD value. a) Provide in hexadecimal the range of valid RELOAD values. b) We can use SysTick to create time delays or generate periodic Interrupts. What are the two ways that interrupts generated by SysTick can be recognized by the CPU
Problem 1: SysTick Configuration The System Timer (SysTick) is a 24-bit timer that...
1) A 555 timer is operating in an astable mode at a frequency f-40kHz and Duty cycle D(%)- 85, VCC = 5V, find the range of variation off and D(%) if the voltage at the control input is modulated by a.c. coupling to it an external sine wave with a peak amplitude of IV. Assume C 0.01uF Ir.
3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillator. A timeout should occur if the function watchdog reset is not called within is minutes. What value should be loaded into the up-counter pair when the function called.
3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillator. A timeout should occur if the function watchdog reset is not called within is minutes. What value should...
Question 4 (20 marks) (a) A Timer 2 block diagram is shown in Fig.7. Timer 2 is used to generate a delay of 50 us. Determine the value of the PR2 if the TMR2 is 0, the prescaler and the postscaler of 1:1 are selected. Assume that the crystal clock is running at the frequency of 20 MHz. Ignore the overhead due to instructions in the calculation. [6 marks] (ii) Explain how the microcontroller knows the delay of 50 us...
18. We have two types of machine as follows: Processor Clock Rate (MHz)PSat CPU time (see 12 x Machine A Machine B 25 Mache A requires 12 times longer than Machine B measured in CPU time. For example, a program takes 1 second in Machine B will take 12 seconds. 1) What is the relative size of the instruction count for the program running on the two machines? 2) What is the effective CPI for the two machines?
Integrated Circuit: LM555 Timer 1. Using the data sheet, determine the pin numbers of the 555 timer and each pin designation. 2. Determine the supply voltage limits. Can you use the timer with 3 volts? With 24 volts? 3. Determine the supply current (what the 555 timer consumes to operate) 4. Determine the allowable power dissipation. 5. Knowing the allowable power dissipation, calculate the maximum current allowable at the output using a 12-volt supply. What is the maximum number of...
0/1pts Question 1 PIC32MX has a PBCLK frequency of 18.9 MHz. What i the SPI1 Baud Rate kb/s to one decimal place) given the following register settings? SPI1BRG 71; wered 131.3 Answer 128.2 margin of error +/-0.1 0/1pts Question 2 PIC32MX has a PBCLK frequency of 32.2 MHz. What the SPI1 Baud Rate n kb/s to one decimal place) given the following register settings? SPI1BRG 0x046 wered 226.8 Answer 221.4
0/1pts Question 1 PIC32MX has a PBCLK frequency of 18.9...
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