8259 Programmable Interrupt Controller: The 8259 Programmable Interrupt Controller requires two types of command words. Initialization Command Words (ICWs) and Operational Command Words (OCWs). The 8259 Programmable Interrupt Controller can…
Interfacing 8259 with 8085: Fig. 14.72 shows Interfacing 8259 with 8085 microprocessor system. Addressing of 8259A : The 74LS138 address decoder will assert the CS input of the 8259A when…
8255 Interfacing with 8086: Fig. 14.17 shows the 8255 Interfacing with 8086 Microprocessor and Interfacing 8255 with 8085 Microprocessor in I/O mapped I/O technique. Here RD and WR signals are…
Motorola 68000 Features: The Motorola 68000 microprocessor is Motorola's first 16-bit microprocessor. The 68000 is not program compatible with Motorola's family of 8-bit microprocessors. For the designing of instruction set…
Microprocessor 8086 Pin Configuration Articles: 8086 Microprocessor Pin Diagram and 8088 Pin Diagram : In order to implement many situations in the microcomputer system the 8086 Microprocessor Pin Diagram and…
Minimum Mode Configuration of 8086: Pin definitions from 24 to 31 are different for minimum mode and maximum mode. By using these pins the 8086 itself generates all bus control…
Internal Architecture of 8086: Fig. 6.2 shows a block diagram of Internal Architecture of 8086. It is internally divided into two separate functional units. These are the Bus Interface Unit…
Features of 8086 Microprocessor: The features of 8086 Microprocessor are : 1.The 8086 is a 16-bit microprocessor. The term "16-bit" means that its arithmetic logic unit, internal registers and most…