Skip to content

ProfoundAdvice

Answers to all questions

Menu
  • Home
  • Trendy
  • Most popular
  • Helpful tips
  • Life
  • FAQ
  • Blog
  • Contacts
Menu

What happened when the intr signal goes high in 8085?

Posted on August 27, 2020 by Author

Table of Contents

  • 1 What happened when the intr signal goes high in 8085?
  • 2 What is the use of intr pin?
  • 3 What is intr interrupt?
  • 4 What happens intr?
  • 5 What happens when a high is applied to reset pin?
  • 6 Which pin has highest priority?
  • 7 How is the intr interrupt used in 8085?
  • 8 How long can the intr signal stay high?
  • 9 What is the pin diagram of 8086 microprocessor?
  • 10 What is the difference between INTR and NMI interrupt pins?

What happened when the intr signal goes high in 8085?

When the INTR signal is high, then the microprocessor completes its current instruction and sends active low interrupt acknowledge signal. When instructions are received, then the microprocessor saves the address of the next instruction on stack and executes the received instruction.

What is the use of intr pin?

INTR : Interrupt Request. This is triggered input. This is sampled during the last clock cycles of each instruction for determining the availability of the request. If any interrupt request is found pending, the processor enters the interrupt acknowledge cycle.

Which interrupt has the highest priority in 8086?

READ:   Why is ad testing important?

NMI
(A) NMI (Non Maskable Interrupt) – It is a single pin non maskable hardware interrupt which cannot be disabled. It is the highest priority interrupt in 8086 microprocessor.

What is intr interrupt?

The INTR is a maskable interrupt because the microprocessor will be interrupted only if interrupts are enabled using set interrupt flag instruction. It should not be enabled using clear interrupt Flag instruction. The INTR interrupt is activated by an I/O port.

What happens intr?

– Till an instruction is completed the signal of INTR will remain high. Once an instruction is completed the processor sends an acknowledgement signal INTA. – As soon as the INTA signal goes low a new opcode is placed on the data bus for transfer.

Which interrupt has the highest priority a intr B trap C RST6 5?

Discussion Forum

Que. Which interrupt has the highest priority?
b. TRAP
c. RST6.5
d. RST6.6
Answer:RST6.5

What happens when a high is applied to reset pin?

When it is high, it indicates that the device is ready to transfer data. When it is low, it indicates wait state. It is available at pin 21 and is used to restart the execution. It causes the processor to immediately terminate its present activity.

READ:   How do I market myself as a chartered accountant?

Which pin has highest priority?

Explanation: The Non-Maskable Interrupt input pin has the highest priority among all the external interrupts. Explanation: TRAP is the internal interrupt that has highest priority among all the interrupts except the Divide By Zero (Type 0) exception.

Which interrupt has highest priority?

TRAP
4.6

Interrupt Priority Mask
TRAP (RST 4.5) 1 (Highest) Non-maskable
RST 7.5 2 Maskable
RST 6.5 3 Maskable
RST 5.5 4 Maskable

How is the intr interrupt used in 8085?

The interrupting device gives the address of sub-routine for these interrupts. INTR is the only non-vectored interrupt in 8085 microprocessor. Maskable Interrupts are those which can be disabled or ignored by the microprocessor. These interrupts are either edge-triggered or level-triggered, so they can be disabled.

How long can the intr signal stay high?

How many interrupt pins are there in 8086?

The 8086 has two hardware interrupt pins, i.e. NMI and INTR. NMI is a non-maskable interrupt and INTR is a maskable interrupt having lower priority. One more interrupt pin associated is INTA called interrupt acknowledge.

READ:   What would happen if two equally massive black holes collide?

What is the pin diagram of 8086 microprocessor?

Pin diagram of 8086 microprocessor is as given below: Intel 8086 is a 16-bit HMOS microprocessor. It is available in 40 pin DIP chip. It uses a 5V DC supply for its operation. The 8086 uses 20-line address bus. It has a 16-line data bus. The 20 lines of the address bus operate in multiplexed mode.

What is the difference between INTR and NMI interrupt pins?

NMI is a non-maskable interrupt and INTR is a maskable interrupt having lower priority. One more interrupt pin associated is INTA called interrupt acknowledge.

What is NMI interrupt in 8086 microprocessor?

(A) NMI (Non Maskable Interrupt) – It is a single pin non maskable hardware interrupt which cannot be disabled. It is the highest priority interrupt in 8086 microprocessor. After its execution, this interrupt generates a TYPE 2 interrupt. IP is loaded from word location 00008 H and CS is loaded from the word location 0000A H.

Popular

  • Can DBT and CBT be used together?
  • Why was Bharat Ratna discontinued?
  • What part of the plane generates lift?
  • Which programming language is used in barcode?
  • Can hyperventilation damage your brain?
  • How is ATP made and used in photosynthesis?
  • Can a general surgeon do a cardiothoracic surgery?
  • What is the name of new capital of Andhra Pradesh?
  • What is the difference between platform and station?
  • Do top players play ATP 500?

Pages

  • Contacts
  • Disclaimer
  • Privacy Policy
© 2025 ProfoundAdvice | Powered by Minimalist Blog WordPress Theme
We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. By clicking “Accept All”, you consent to the use of ALL the cookies. However, you may visit "Cookie Settings" to provide a controlled consent.
Cookie SettingsAccept All
Manage consent

Privacy Overview

This website uses cookies to improve your experience while you navigate through the website. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website. These cookies will be stored in your browser only with your consent. You also have the option to opt-out of these cookies. But opting out of some of these cookies may affect your browsing experience.
Necessary
Always Enabled
Necessary cookies are absolutely essential for the website to function properly. These cookies ensure basic functionalities and security features of the website, anonymously.
CookieDurationDescription
cookielawinfo-checkbox-analytics11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional11 monthsThe cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance11 monthsThis cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy11 monthsThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.
Functional
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features.
Performance
Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.
Analytics
Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.
Advertisement
Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. These cookies track visitors across websites and collect information to provide customized ads.
Others
Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet.
SAVE & ACCEPT