MICROPROCESSOR AND MICROCONTROLLER

8085 MICROPROCESSOR

FEATURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
EI stands for
A
Enable Internet
B
Enable Interrupt
C
Enable Information
D
None
Explanation: 

Detailed explanation-1: -Interrupt enable instruction is EI. The interrupt enable flip-flop is set and all interrupts are enabled following the execution of next instruction followed by EI. No flags are affected. After a system reset, the interrupt enable flip-flop is reset, thus disabling the interrupts.

Detailed explanation-2: -Definition: Enterprise Integration (EI)

Detailed explanation-3: -Here IE stands for Interrupt Enable. 8085 interrupt system is disabled whenever this flip-flop is reset to the 0 states. That is, even if an external interrupt pin is activated, the corresponding internal interrupt signal is not activated.

Detailed explanation-4: -EI stands for Enable Interrupt (assembly language instruction)

Detailed explanation-5: -EI instruction is used for the enable the interrupt system of the 8085 processor. DI instruction is used for the disable the interrupt system of the 8085 processor.

There is 1 question to complete.