Microprocessor

The 8085 is an 8-bit general purpose microprocessor that can address 64K Byte of memory. It has 40 pins and uses +5V for power. It can run at a maximum frequency of 3 MHz. The …

What are instruction sets? The 8086 microprocessor supports 8 types of instructions − Data Transfer Instructions Arithmetic Instructions Bit Manipulation Instructions String Instructions Program Execution Transfer Instructions (Branch & Loop Instructions) Processor Control Instructions Iteration …

In certain situations when creating a program by the user we often find some sort of disturbances suddenly where the program stops abruptly. it might be due to some technical problems by hardware or software …

What are addressing modes of 8086? It is a type of mode where the source operand is specified in various forms in an instruction.There are 8 different addressing modes in 8086 programming − Immediate addressing …

As the name itself indicates that Multiprocessor means multiple set of processors. It is a multiple set of processor that helps in executing the instructions simultaneously. There are three basic multiprocessor configurations. Coprocessor configuration Closely …

8087 Architecture is divided into two groups, i.e., Control Unit (CU) and Numeric Extension Unit (NEU). The control unit maintains the communication between the processor and the memory such as receiving and decoding instructions, reads …

8087 numeric data processor is also popularly called as Math co-processor, Numeric processor extension and Floating point unit due to its faster calculations. To make easier and faster calculations this math coprocessor was first designed …

Interface acts as a communication between user and a computer. It is an integrated circuit which helps in performing basic functions of the CPU. Interfacing is classified into two types, memory interfacing and I/O interfacing. …

8279 Programmable Keyboard acts as an input device contains maximum of 64 keys. With the help of keyboard the user can perform various types of tasks. Certain specific key-codes are used where text is entered …

It is a specially designed type of programmable keyboard/display controller launched by Intel which helps in interfacing the keyboard with the CPU. It identifies any type of key that has been pressed with the help …

8257 DMA stands for 4-channel Direct Memory Access. It is specially designed by Intel for data transfer at the highest speed. Its initial function is to generate a peripheral request which allows the device to …

The following table highlights the differences between a microprocessor and a microcontroller − Microcontroller Microprocessor Microcontrollers are used to execute a single task within an application. Microprocessors are used for big applications. Its designing and …

A microcontroller is a smaller computer inserted on a single integrated circuit, less sophisticated which consists of the processor, the memory(RAM,ROM,EPROM), peripherals (timers, counters), programmable input or output etc. It is specially designed to perform …

8051 microcontroller is a type of microcontroller designed by Intel in 1981. This microcontroller architecture is based on the Harvard architecture and was developed basically for the use in embedded systems technology. Basically this microcontroller …

The 8255A is generally seen as 8-bit bidirectional data buffer, which is specially designed to transfer the data with the execution of input output instructions requested by the CPU. It has the ability to use …