Ques. 2: We want to generate pulses having a period of 1ms and duty cycle of 60% using PWM channel 1 using positive polarity (Polarity = 1). The system clock is 20 MHz. Calculate the value of the followings: a. Clock pre-scaler, N (could be 1, 2, 4, 8, 16, 32, 64, 128) b. Period register, PWMPER1 (it is an 8-bit register, can store integer from 0 - 255) c. Duty cycle register, PWMDTY1 (it is an 8-bit register, can store integer from 0- 255)

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Ques. 2: We want to generate pulses having a period of 1ms and duty cycle of 60%
using PWM channel 1 using positive polarity (Polarity = 1). The system clock is 20
MHz. Calculate the value of the followings:
a. Clock pre-scaler, N (could be 1, 2, 4, 8, 16, 32, 64, 128)
b. Period register, PWMPER1 (it is an 8-bit register, can store integer from 0 - 255)
c. Duty cycle register, PWMDTY1 (it is an 8-bit register, can store integer from 0-
255)
Transcribed Image Text:Ques. 2: We want to generate pulses having a period of 1ms and duty cycle of 60% using PWM channel 1 using positive polarity (Polarity = 1). The system clock is 20 MHz. Calculate the value of the followings: a. Clock pre-scaler, N (could be 1, 2, 4, 8, 16, 32, 64, 128) b. Period register, PWMPER1 (it is an 8-bit register, can store integer from 0 - 255) c. Duty cycle register, PWMDTY1 (it is an 8-bit register, can store integer from 0- 255)
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