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Yes and no. INTR response requires an opcode fetch sequence from the interrupting hardware device, often a CALL instruction, so there is no vector table in memory for it, because you can CALL any location. On the other hand, some implementations provide an RST instruction as the opcode, making it a vectored interrupt.
What else can I help you with?
What is the difference between polling and vectored interrupt system with example?
i need compare between vectored interrupt system and polling
What is difference between vectored and non vectored interrupts?
Vector interrupt --> when processor directly call the respective isr when interrupt occurs so, address of respective isr is usually save in register. Non interrupt Vector --> In this case when interrupt occurs the processor calls a generic isr and in generic isr uaer has to call respective isr by checking status register.
Non vectored interrupt?
Stopping program flow to execute a special piece of code that handles a event.Non vectored interrupts are generally raised by input/output or slow devices.
Why is the INTR input automatically disabled as a part of the response to an INTR interrupt?
The INTR input is automatically disabled in response to an INTR interrupt to prevent the processor from being interrupted by additional INTR requests while it is already handling the current interrupt. This mechanism ensures that the system maintains stability and consistency during interrupt processing, allowing the CPU to complete its current task without being preempted. By disabling the INTR input, the processor can focus on servicing the interrupt without the risk of losing or mismanaging subsequent interrupts.
Which is the highest priority interrupt for 8051?
The highest priority interrupt in the 8085 is the TRAP interrupt.
What are the five sources of interrupt in 8051 microcontroller?
Intr timer interrupt 0 and 1 external interrupt 0 and 1
How many types of vectored interrupt in 8085 micro processer?
4
Where will be the actual address of the subroutine is placed for vectored interrupts?
interrupt vector table
What is INTA in 8086 in miscropress?
Interrupt Acknowledgegenerated by the microprocessor in response to INTR. Causes the interrupt vector to be put onto the data bus
What is the auto vectored interrupt?
An auto vectored interrupt is a type of interrupt handling mechanism in computer systems where the interrupting device can provide an automatic vector that points to the appropriate service routine. Rather than requiring the CPU to determine the address of the interrupt service routine (ISR) manually, the hardware generates a specific vector number based on the interrupt source. This allows for faster response times and simplifies the interrupt handling process, as the CPU can directly use the provided vector to locate the ISR. Auto vectored interrupts are commonly used in microcontrollers and embedded systems for efficient interrupt management.
What is the difference between polling and vector interrupt system?
In a computer, a vectored interrupt is an I/O interrupt that tells the part of the computer that handles I/O interrupts at the hardware level that a request for attention from an I/O device has been received and also identifies the device that sent the request. A vectored interrupt is an alternative to a polled interrupt , which requires that the interrupt handler poll or send a signal to each device in turn in order to find out which one sent the interrupt request.
How long can the INTR signal stay high?
The INTR pulse can remain high until the interrupt flip-flop is set by the EI instruction in the service routine. If it remains high after the execution of the EI instruction, the processor will be interrupted again, as if it were a new interrupt.
