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1.The excluding interrupts are INT0 & INT1

2.The Timer0 and Timer1 are interrupts are generated by TF0 and TF1

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How many instruction in 8051 microcontroller?

how many interrupts in 8051


Why reset circuit needed in 8051?

You need a reset circuit in the 8051, as in every logic circuit, in order to ensure that it starts up in a known state.


Name of instruction to reset the interrupt?

software interrupts


In the 8051 what value does the stack pointer contain immediately after reset?

07H


What is the duration of reset signals in Microcontroller 8051?

In the 8051 microcontroller, the reset signal duration must be at least 2 machine cycles, which corresponds to a minimum of 24 oscillator periods for proper initialization. This ensures that the microcontroller can properly reset and start executing instructions from the designated reset vector. A typical recommendation is to hold the reset signal active for about 100 milliseconds to ensure reliable operation.


Why 8051 microcontroller called so?

Because it is 8- 8-bit controller (8000 series) 5- It has 5 interrupts 1- It has only one serial communication port


What is interrupt for 8051?

An interrupt in the 8051 microcontroller is a mechanism that temporarily halts the execution of the main program to allow the processor to address an event or condition that requires immediate attention, such as a timer overflow, external signal, or serial communication. The 8051 supports multiple interrupt sources, including external interrupts (INT0 and INT1), timer interrupts (Timer 0 and Timer 1), and a serial communication interrupt. When an interrupt occurs, the microcontroller saves the current program state, jumps to a predefined interrupt service routine (ISR), and upon completion, resumes the original program. This allows for efficient handling of asynchronous events without continuous polling.


Why the name 8051 as 8051?

because i said so thats why


Who is first invented 8051 microcontroller or 8051 microprocessor?

Intel


What are the various type of interrupts?

There are three types of interrupts.... 1. internal Interrupts 2. External Interrupts 3. Software Interrupts... read more


What is the difference between microcontroller 8051 and avr atmega16?

avr is high speed cmpar to 8051.in 8051 there are less number of instructions


How many interrupts in?

it has 256 interrupts ..