3. Write an instruction sequence to generate a 15 Hz digital waveform with 35% duty cycle using the 16-bit mode from the PWM5 output pin and stop PWM in wait and freeze modes. Assume the E clock @ 24 MHz. Using the following setting: • Set 25 as its down count value. • Set the prescale factor to 16. • Set PWM5 output to start with low level. • Select center aligned mode. Fill in the blanks for the following: movb # $20, PWME movb # 0 movb # $20 movb # $04 movb # $20, PWMCAE movb # $4C, PWMCTL PWMPOL PWMCLK PWMPRCLK movb #25/$19, PWMSCL_A_ movw # 1000 PWMPER 4 movw # 650, PWMDTY_4 Period of 15 Hz 1/15 sec ; Clock B = 24 MHz/16 = 1.5 MHz Clock SB = Clock B / (2 x PWMSCLB) = 1.5 MHz/ (2 x 25) = 30 KHz 1 30000 # of counts for 1/15 sec = 1 [PWMPER4] 1000 1/15 1/30000 15 =-X- = 2000 ; 2000x0.65 1300 [PWMDTY4] = 650
3. Write an instruction sequence to generate a 15 Hz digital waveform with 35% duty cycle using the 16-bit mode from the PWM5 output pin and stop PWM in wait and freeze modes. Assume the E clock @ 24 MHz. Using the following setting: • Set 25 as its down count value. • Set the prescale factor to 16. • Set PWM5 output to start with low level. • Select center aligned mode. Fill in the blanks for the following: movb # $20, PWME movb # 0 movb # $20 movb # $04 movb # $20, PWMCAE movb # $4C, PWMCTL PWMPOL PWMCLK PWMPRCLK movb #25/$19, PWMSCL_A_ movw # 1000 PWMPER 4 movw # 650, PWMDTY_4 Period of 15 Hz 1/15 sec ; Clock B = 24 MHz/16 = 1.5 MHz Clock SB = Clock B / (2 x PWMSCLB) = 1.5 MHz/ (2 x 25) = 30 KHz 1 30000 # of counts for 1/15 sec = 1 [PWMPER4] 1000 1/15 1/30000 15 =-X- = 2000 ; 2000x0.65 1300 [PWMDTY4] = 650
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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I need a detailed desription of how to achieve the answers below the question listed is already answered i just need to see detailed steps for every answer so i can study the steps needed to achieve said answer. The blue is the solution.
![3. Write an instruction sequence to generate a 15 Hz digital waveform with 35% duty cycle
using the 16-bit mode from the PWM5 output pin and stop PWM in wait and freeze modes.
Assume the E clock @ 24 MHz.
Using the following setting:
Set 25 as its down count value.
Set the prescale factor to 16.
Set PWM5 output to start with low level.
Select center aligned mode.
Fill in the blanks for the following:
movb #_$20
PWME
movb #0
PWMPOL
movb # $20
PWMCLK
movb # $04
PWMPRCLK
movb # _$20
PWMCAE
movb # $4C
• PWMCTL
movb #25/$19, PWMSCL A
movw # 1000 , PWMPER 4
movw # 650
PWMDTY 4
Period of 15 Hz = 1/15 sec
; Clock B = 24 MHz / 16 = 1.5 MHz
%3D
Clock SB = Clock B/ (2 x PWMSCLB) = 1.5 MHz/ (2 x 25) = 30 KHz
1/15 1 30000
1/30000 15
# of counts for 1/15 sec=
= 2000 ;
1
2000x0.65 = 1300
[PWMPER4] = 1000
[PWMDTY4] = 650
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5ecf1484-f95f-4119-9858-43c8382b92c0%2F7d078668-4445-4195-bb10-b020ebfc4d16%2Fkuzs79_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. Write an instruction sequence to generate a 15 Hz digital waveform with 35% duty cycle
using the 16-bit mode from the PWM5 output pin and stop PWM in wait and freeze modes.
Assume the E clock @ 24 MHz.
Using the following setting:
Set 25 as its down count value.
Set the prescale factor to 16.
Set PWM5 output to start with low level.
Select center aligned mode.
Fill in the blanks for the following:
movb #_$20
PWME
movb #0
PWMPOL
movb # $20
PWMCLK
movb # $04
PWMPRCLK
movb # _$20
PWMCAE
movb # $4C
• PWMCTL
movb #25/$19, PWMSCL A
movw # 1000 , PWMPER 4
movw # 650
PWMDTY 4
Period of 15 Hz = 1/15 sec
; Clock B = 24 MHz / 16 = 1.5 MHz
%3D
Clock SB = Clock B/ (2 x PWMSCLB) = 1.5 MHz/ (2 x 25) = 30 KHz
1/15 1 30000
1/30000 15
# of counts for 1/15 sec=
= 2000 ;
1
2000x0.65 = 1300
[PWMPER4] = 1000
[PWMDTY4] = 650
%3D
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