Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Questions > When is the function of the WR pin?a)its acti...
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When is the function of the WR pin?
- a)its active high input used to inform ADC0804, about the end of conversion
- b)its active low input used to inform ADC0804, about the end of conversion
- c)its active low input used to inform ADC0804, about the start of conversion
- d)its active high input used to inform ADC0804, about the start of conversion
Correct answer is option 'C'. Can you explain this answer?
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When is the function of the WR pin?a)its active high input used to inf...
WR pin’s active low input tells ADC0804 about the start of conversion.
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When is the function of the WR pin?a)its active high input used to inf...
The WR (Write) pin of the ADC0804 is an active low input used to inform the ADC (Analog-to-Digital Converter) about the start of conversion.
Explanation:
The ADC0804 is an 8-bit successive approximation analog-to-digital converter. It converts analog signals into digital values that can be processed by digital systems. The conversion process involves several steps, such as sampling the analog input signal, quantizing it into discrete levels, and encoding it into binary format.
The WR pin is used to initiate the conversion process. When the WR pin is brought low (active low), it signals the ADC0804 to start the conversion. This is typically done by toggling the WR pin from high to low for a short duration.
The active low nature of the WR pin means that it is normally held high (logic level 1) and is brought low (logic level 0) to perform a specific action. In this case, bringing the WR pin low initiates the start of conversion. This behavior is often implemented using a push-button or a digital signal from a microcontroller or other digital circuitry.
When the WR pin is brought low, the ADC0804 starts the conversion process by sampling the analog input signal and performing the necessary conversions to obtain the digital output. Once the conversion is complete, the ADC0804 signals the end of conversion through its EOC (End of Conversion) pin.
It's important to note that the WR pin is active low, while the EOC pin is active high. This means that the WR pin is brought low to start the conversion, and the EOC pin goes high to indicate the completion of the conversion.
In summary, the WR pin of the ADC0804 is an active low input used to inform the ADC about the start of conversion. By bringing the WR pin low, the conversion process is initiated, and the ADC0804 starts converting the analog input signal into a digital value.
Explanation:
The ADC0804 is an 8-bit successive approximation analog-to-digital converter. It converts analog signals into digital values that can be processed by digital systems. The conversion process involves several steps, such as sampling the analog input signal, quantizing it into discrete levels, and encoding it into binary format.
The WR pin is used to initiate the conversion process. When the WR pin is brought low (active low), it signals the ADC0804 to start the conversion. This is typically done by toggling the WR pin from high to low for a short duration.
The active low nature of the WR pin means that it is normally held high (logic level 1) and is brought low (logic level 0) to perform a specific action. In this case, bringing the WR pin low initiates the start of conversion. This behavior is often implemented using a push-button or a digital signal from a microcontroller or other digital circuitry.
When the WR pin is brought low, the ADC0804 starts the conversion process by sampling the analog input signal and performing the necessary conversions to obtain the digital output. Once the conversion is complete, the ADC0804 signals the end of conversion through its EOC (End of Conversion) pin.
It's important to note that the WR pin is active low, while the EOC pin is active high. This means that the WR pin is brought low to start the conversion, and the EOC pin goes high to indicate the completion of the conversion.
In summary, the WR pin of the ADC0804 is an active low input used to inform the ADC about the start of conversion. By bringing the WR pin low, the conversion process is initiated, and the ADC0804 starts converting the analog input signal into a digital value.
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When is the function of the WR pin?a)its active high input used to inform ADC0804, about the end of conversionb)its active low input used to inform ADC0804, about the end of conversionc)its active low input used to inform ADC0804, about the start of conversiond)its active high input used to inform ADC0804, about the start of conversionCorrect answer is option 'C'. Can you explain this answer?
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When is the function of the WR pin?a)its active high input used to inform ADC0804, about the end of conversionb)its active low input used to inform ADC0804, about the end of conversionc)its active low input used to inform ADC0804, about the start of conversiond)its active high input used to inform ADC0804, about the start of conversionCorrect answer is option 'C'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus. Information about When is the function of the WR pin?a)its active high input used to inform ADC0804, about the end of conversionb)its active low input used to inform ADC0804, about the end of conversionc)its active low input used to inform ADC0804, about the start of conversiond)its active high input used to inform ADC0804, about the start of conversionCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When is the function of the WR pin?a)its active high input used to inform ADC0804, about the end of conversionb)its active low input used to inform ADC0804, about the end of conversionc)its active low input used to inform ADC0804, about the start of conversiond)its active high input used to inform ADC0804, about the start of conversionCorrect answer is option 'C'. Can you explain this answer?.
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