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What steps are followed when we need to turn on any timer?
- a)load the count, start the timer, keep monitoring it, stop the timer
- b)load the TMOD register, load the count, start the timer, keep monitoring it, stop the timer
- c)load the TMOD register, start the timer,load the count, keep monitoring it, stop the timer
- d)none of the mentioned
Correct answer is option 'B'. Can you explain this answer?
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What steps are followed when we need to turn on any timer?a)load the c...
When any timer is to turn on, then firstly we have to load the TMOD register and the count. Then timer is to get started. After then, we need to monitor the timer properly and then when the roll over condition arises then timer is to be stopped.
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What steps are followed when we need to turn on any timer?a)load the c...
Answer:
The correct steps to turn on a timer are as follows:
1. Load the TMOD register:
Before starting the timer, the TMOD (Timer Mode) register needs to be loaded. This register determines the operating mode of the timer. It specifies whether the timer will work in timer or counter mode, the timer mode (i.e., 16-bit or 8-bit mode), and the source of the timer input.
2. Load the count:
Once the TMOD register is configured, the count value needs to be loaded into the timer register. The count value determines the duration for which the timer will run. It can be set based on the desired time interval or frequency.
3. Start the timer:
After loading the count value, the timer is started by initiating the timer control signal. This signal enables the timer circuitry and allows it to start counting. The start command triggers the timer to begin counting from the loaded count value.
4. Keep monitoring the timer:
While the timer is running, it needs to be monitored continuously to check if it has reached the desired time interval or if any interrupt conditions have occurred. This can be done by periodically checking the timer status or using interrupt signals generated by the timer.
5. Stop the timer:
Once the timer has completed its counting and reached the desired time interval, it needs to be stopped. The stop command disables the timer circuitry and halts the counting operation. This step is important to prevent unnecessary power consumption and to ensure accurate timing.
Therefore, the correct sequence of steps to turn on a timer is to first load the TMOD register, then load the count value, start the timer, continuously monitor its status, and finally stop the timer. This sequence ensures proper configuration and operation of the timer module.
The correct steps to turn on a timer are as follows:
1. Load the TMOD register:
Before starting the timer, the TMOD (Timer Mode) register needs to be loaded. This register determines the operating mode of the timer. It specifies whether the timer will work in timer or counter mode, the timer mode (i.e., 16-bit or 8-bit mode), and the source of the timer input.
2. Load the count:
Once the TMOD register is configured, the count value needs to be loaded into the timer register. The count value determines the duration for which the timer will run. It can be set based on the desired time interval or frequency.
3. Start the timer:
After loading the count value, the timer is started by initiating the timer control signal. This signal enables the timer circuitry and allows it to start counting. The start command triggers the timer to begin counting from the loaded count value.
4. Keep monitoring the timer:
While the timer is running, it needs to be monitored continuously to check if it has reached the desired time interval or if any interrupt conditions have occurred. This can be done by periodically checking the timer status or using interrupt signals generated by the timer.
5. Stop the timer:
Once the timer has completed its counting and reached the desired time interval, it needs to be stopped. The stop command disables the timer circuitry and halts the counting operation. This step is important to prevent unnecessary power consumption and to ensure accurate timing.
Therefore, the correct sequence of steps to turn on a timer is to first load the TMOD register, then load the count value, start the timer, continuously monitor its status, and finally stop the timer. This sequence ensures proper configuration and operation of the timer module.
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