Polling and Interrupts

Polling and Interrupts: In Polling and Interrupts of the microprocessor's software simply checks each of the I/O devices every so often. During this check, the microprocessor tests to see if…

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8051 Interrupts

8051 Interrupts: The 8051 Interrupts provides 5 interrupt sources. The 8052 provides 6. These are shown in Fig. 12.28. The external Interrupts INT0 and INT1 can each- be either level-activated…

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8085 Interrupts in Microprocessor Articles

8085 Interrupts in Microprocessor Articles: Polling and Interrupts : In Polling and Interrupts of the microprocessor’s software simply checks each of the I/O devices every so often. During this check,…

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Microprocessors and Microcontrollers Articles

Microprocessors and Microcontrollers Articles: This Microprocessors and Microcontrollers Articles which includes the following topics:   Features of 8085 Microprocessor 8085 Microprocessor Architecture and its Operations 8085 Pin Diagram Instruction Cycle…

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8259A Programmable Interrupt Controller

8259A Programmable Interrupt Controller: 8259A Programmable Interrupt Controller - Microprocessor-based system design requires many I/O devices such as keyboards, displays, sensors and other components. These devices should receive servicing in…

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