What is the architecture of 8051 microcontroller?

What is the architecture of 8051 microcontroller?

8051 microcontroller is designed by Intel in 1981. It is an 8-bit microcontroller. It is built with 40 pins DIP (dual inline package), 4kb of ROM storage and 128 bytes of RAM storage, 2 16-bit timers. It consists of are four parallel 8-bit ports, which are programmable as well as addressable as per the requirement.

Who invented 8051 microcontroller?

The Intel MCS-51 (commonly termed 8051) is a single chip microcontroller (MCU) series developed by Intel in 1980 for use in embedded systems. The architect of the Intel MCS-51 instruction set was John H. Wharton.

How many transistors are there in 8051 microcontroller?


Processor MOS transistor count Date of introduction
Intel 8088 (16-bit, 8-bit data bus) 29,000 1979
Motorola 68000 (16/32-bit, 32-bit registers, 16-bit ALU) 68,000 1979
Intel 8051 (8-bit, 40-pin) 50,000 1980
WDC 65C02 11,500 1981

When was Intel launch microcontroller 8051?

8051 microcontroller is an 8-bit microcontroller created in 1981 by Intel Corporation.

Why it is called 8051?

What is microcontroller? Term 8051 refers to MCS 51 family of microcontroller ICs introduced by intel corporation in 1971. A microcontroller is a computer with most of the necessary support chips on board.

Is 8051 an architecture?

8051 Microcontroller Architecture and Block Diagram with Applications. The 8051 Microcontroller is one of the basic type of microcontroller, designed by Intel in 1980’s. This microcontroller was based on Harvard Architecture and developed primarily for use in embedded systems technology.

Is 8051 a RISC?

8051 micro-controller and ARM micro-controller differs from each other in terms of different architecture and different sets of instruction, speed, cast, Memory, Power Consumption, Bus Width etc….Difference between 8051 and ARM :

S.No. 8051 ARM
5. It is based on CISC Instruction set Architecture. It is based on RISC Instruction Set Architecture.

What was the first microcontroller called?

Development. One book credits TI engineers Gary Boone and Michael Cochran with the successful creation of the first microcontroller in 1971. The result of their work was the TMS 1000, which became commercially available in 1974.

Is 8051 still used?

Despite the more limited features and old architecture, the 8051 is still used in some wireless communication products. The latest HC-10 Bluetooth modules are based on 8051 core. Although 16-bit or 32-bit MCUs can replace the functions offered by 8051s, the 8-bit MCU is sufficient for many product developers.

Is 8051 a RISC or CISC?

Difference between 8051 and ARM :

S.No. 8051
5. It is based on CISC Instruction set Architecture.
6. 8051 micro-controller is a Harvard-based architecture, but it allows us to connect external memory and simulate von Neumann’s architecture.
7. Power consumption of 8051 micro-controller is average.

Why 8051 microcontroller is mostly used?

The 8051 IP cores are free to use. They are smaller and consume less power than 32 bit ARM cores. There is a large community of people who are familiar with the architecture. These are just some of the reasons why the 8051 is still popular.

Which is the first microcontroller Mcq?

Which is the first microcontroller? Solution: Explanation: TMS1000 is the first microcontroller which was done in April 1971 but Intel 4004 was designed in November 1971.

What are some applications of a 8051 microcontroller?

Energy Management: Competent measuring device systems aid in calculating energy consumption in domestic and industrialized applications.

  • Touch screens: A high degree of microcontroller suppliers integrate touch sensing abilities in their designs.
  • Automobiles: The microcontroller 8051 discovers broad recognition in supplying automobile solutions.
  • What is the purpose of 8051 microcontrollers?

    The 8051 Microcontroller is a general purpose Microcontroller . Though it is more than 50 years old, the 8051 microcontroller is still heavily used in a number of electronic and electrical devices. Moreover various industries such as automobile, mobile communications, defense, aeronautics, and even healthcare, would be inefficient without this small but powerful component.

    What is the parallel port architecture of 8051?

    The 8051 is based on an 8-bit CISC core with Harvard architecture. Its 8-bit architecture is optimized for control applications with extensive Boolean processing. It is available as a 40-pin DIP chip and works at +5 Volts DC. Four Parallel ports each of 8-bits (PORT0, PORT1, PORT2, PORT3) with a total of 32 I/O lines

    What IC is used for 8051?

    The IC L293D is used for interfacing 8051 with DC motor as shown in the block diagram. The two input buttons can be used to control the output PWM generated by the microcontroller. This output signal is then fed to DC motor through motor driver.