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Which mode of 8253 can provide pulse width modulation?
- a)programmable one-shot
- b)square wave rate generator
- c)software triggered strobe
- d)hardware triggered strobe
Correct answer is option 'A'. Can you explain this answer?
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Which mode of 8253 can provide pulse width modulation?a)programmable o...
Explanation: Mode 1 of the Intel 8253 can provide pulse width modulation for the power control where the gate is connected to a zero crossing detector or a clock source.
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Which mode of 8253 can provide pulse width modulation?a)programmable o...
Programmable One-shot
The programmable one-shot mode of the 8253 timer can provide pulse width modulation. Here's why:
- Pulse Width Modulation (PWM):
- PWM is a technique used to generate analog signals using digital devices by varying the duty cycle of a square wave.
- Programmable One-shot Mode:
- In this mode, the 8253 timer is programmed to generate a pulse of a specific duration (determined by the count loaded into the timer) when triggered.
- By adjusting the count value, the width of the pulse can be varied, effectively creating a PWM signal.
- Usage:
- This mode is commonly used in applications like motor control, lighting control, and audio amplifiers where precise control of the pulse width is required.
- Benefits:
- PWM signals generated using the programmable one-shot mode of the 8253 timer are highly accurate and can be easily adjusted as needed.
In conclusion, the programmable one-shot mode of the 8253 timer is a versatile feature that allows for the generation of PWM signals with precise control over the pulse width.
The programmable one-shot mode of the 8253 timer can provide pulse width modulation. Here's why:
- Pulse Width Modulation (PWM):
- PWM is a technique used to generate analog signals using digital devices by varying the duty cycle of a square wave.
- Programmable One-shot Mode:
- In this mode, the 8253 timer is programmed to generate a pulse of a specific duration (determined by the count loaded into the timer) when triggered.
- By adjusting the count value, the width of the pulse can be varied, effectively creating a PWM signal.
- Usage:
- This mode is commonly used in applications like motor control, lighting control, and audio amplifiers where precise control of the pulse width is required.
- Benefits:
- PWM signals generated using the programmable one-shot mode of the 8253 timer are highly accurate and can be easily adjusted as needed.
In conclusion, the programmable one-shot mode of the 8253 timer is a versatile feature that allows for the generation of PWM signals with precise control over the pulse width.
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Which mode of 8253 can provide pulse width modulation?a)programmable one-shotb)square wave rate generatorc)software triggered strobed)hardware triggered strobeCorrect answer is option 'A'. Can you explain this answer?
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