Bus Interface in Microprocessor

Bus Interface in Microprocessor: Bus Interface in Microprocessor - A microcomputer consists of a set of components such as CPU, memory, I/O device and these components communicate with each other…

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Internal Architecture of 8275 CRT Controller

Internal Architecture of 8275 CRT Controller: The 8275 programmable CRT controller is a single-chip device that generates all the signals which are used for interfacing a microprocessor system. The main…

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8255A Programmable Peripheral Interface

8255A Programmable Peripheral Interface: 8255 is a programmable peripheral interface IC and is a multiport input/output device. This is a general-purpose programmable I/O device, which may be used with many…

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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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80387 Numeric Data co-processor

80387 Numeric Data co-processor: The 80387 numeric data co-processor is an advanced version of 80287 and it is a high performance numeric data processor and it is specifically designed to…

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Pin Diagram of 8087 Processor

Pin Diagram of 8087 Processor: Figure 7.46 shows the pin diagram of 8087 processor. The operations of all pins of 8087 are explained below: AD15-AD0 The AD15-AD0 are the time multiplexed address/data…

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Clock Generator 8284A

Clock Generator 8284A: During fetch and execute instructions, the 8086 and 8088 processors require clock pulse which has about 10 ns rise and fall times. The logic 0 level of…

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Internal Architecture of 8088 Microprocessor

Internal Architecture of 8088 Microprocessor: Figure 5.24 shows the Internal Architecture of 8088 Microprocessor. The set of registers of 8088 is approximately same as that of 8086. The architecture of…

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