List some features of 8051 Microcontroller.

8051 Microcontroller is one of the popular microcontroller of intel family that is used today. It was based on Harvard Architecture and developed primarily for use in embedded systems technology.

Below are few features of 8051 Microcontroller that make it famous.

• 64K 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)
• Three internal and two external Interrupts
• Four 8-bit ports,(short model have two 8-bit ports)
• 16-bit program counter and data pointer

Features of 8051 microcontroller

1. 128 bytes of on chip RAM
2. Multi mode high speed programmable full duplex serial port
3. On chip Boolean processor
4. Supports 8 bit Micro Controller
5. 4 parallel I/O port
6. Suports 5 hardware interrupt
7. 11 special function register