What are the main features of 8051 microcontroller?

What are the main features of 8051 microcontroller?

Features of 8051 Microcontroller

• 4KB bytes on-chip program memory (ROM)
• 128 bytes on-chip data memory (RAM)
• Four register banks.
• 128 user defined software flags.
• 8-bit bidirectional data bus.
• 16-bit unidirectional address bus.
• 32 general purpose registers each of 8-bit.
• 16 bit Timers (usually 2, but may have more or less)

What are the features of microcontroller?

A micro-controller is a single integrated circuit, commonly with the following features: central processing unit – ranging from small and simple 4-bit processors to complex 32-bit or 64-bit processors. volatile memory (RAM) for data storage. ROM, EPROM, EEPROM or Flash memory for program and operating parameter storage.

What are the features of modern microcontroller?

A few microcontrollers may utilize four-bit expressions and work at clock rate frequencies, which usually include:

• An 8 or 16-bit microprocessor.
• A little measure of RAM.
• Programmable ROM and flash memory.
• Parallel and serial I/O.
• Timers and signal generators.
• Analog to Digital and Digital to Analog conversion.

What is the difference between 8051 and 8031?

What is the difference between the 8031 and the 8051? The 8031 has no interrupts. The 8031 is ROM-less. The 8051 has 64 bytes more memory.

Why 8051 microcontroller is mostly used?

The 8051 IP cores are free to use. The actual microcontrollers are incredibly cheap to buy. They are smaller and consume less power than 32 bit ARM cores. These are just some of the reasons why the 8051 is still popular.

Which is the application of microcontroller?

In the office, microcontrollers are used in computer keyboards, monitors, printers, copiers, fax machines, and telephone systems to name a few. In your home, microcontrollers are used in microwave ovens, washers and dryers, security systems, lawn sprinkler station controllers, and music/video entertainment components.

What is the main function of microcontroller?

Microcontroller is a compressed micro computer manufactured to control the functions of embedded systems in office machines, robots, home appliances, motor vehicles, and a number of other gadgets. A microcontroller is comprises components like – memory, peripherals and most importantly a processor.

What are the main features of 8085 microprocessor?

Features of 8085 Microprocessor:

• 1.It is an 8-bit microprocessor i.e. it can accept, process, or provide 8-bit data simultaneously.
• 2.It operates on a single +5V power supply connected at Vcc; power supply ground is connected to Vss.
• 3.It operates on clock cycle with 50% duty cycle.
• 4.It has on chip clock generator.

What are 3 basic applications of a microcontroller?

Microcontroller Applications:

• Light sensing & controlling devices.
• Temperature sensing and controlling devices.
• Fire detection & safety devices.
• Industrial instrumentation devices.
• Process control devices.

Which I O port does not have dual-purpose?

The I/O port that does not have a dual-purpose role is: port 0 port 1.

What is 8051 microcontroller block diagram?

Introduction to 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.

What is the purpose of a microcontroller?

How much memory does the 8031 / 8051 microcontroller have?

The 8031/8051 has 64kb program memory address space and 64kb data memory address space. • The microcontroller can only read from program memory such as ROM/EPROM/ EEPROM and the signal PSEN (Low) is used as read control for reading program memory. • The microcontroller can read and write with data memory RAM.

What are the features of the 8031 architecture?

So it is clear that this 8031 architecture was designed to cater many real time embedded needs.The following list gives the features of the 8031 architecture: -Central Processing UnitThe CPU is the brain of the microcontrollers reading user’s programs and executing the expected task as per instructions stored there in.

What kind of memory does a microcontroller need?

• A microcontroller based system requires both EPROM and RAM. The EPROM is required for permanent program and permanent data storage. The RAM is required for temporary data storage and stack. The 8031/8051 has 64kb program memory address space and 64kb data memory address space.

Who are the manufacturers of the 8051 core?

Global brands like Atmel, Philips now NXP, Microchip, Zilog and Siemens worked on these chips and release most advanced microcontrollers based on the 8051 core developed by Intel.