10 March 2023

Features of 8051 Microcontroller

In the 1980s, intel created the 8051 microcontrollers. It was created primarily for integrating embedded systems and had a foundation in Harvard architecture. So let us check the features of the microcontroller.

Learn more about the Features of the AVR Microcontroller

The key features of the 8051 microcontroller 

  • 4 KB on-chip ROM(Program Memory)
  • 8 Bit CPU through two resistors A & B.
  • 128  bytes on-chip RAM(data Memory).
  • Addressebal resigister 16 bit.
  • Two 16-bit timers.
  • 1 microsecond instruction cycle with a 12 MHz crystal.
  • Oscillator and CLK circuit.
  • 8051 has two external and three internal interrupts.
  • UARTs, ADC, Op-Amp, and other special function features are specified for the 8051 microcontroller
  • Four 8-bit input/output ports.
  • It has a 16-bit program counter and data pointer.
  • Four resister banks of 8 bit each.
  • Interrupts like external 2 and internal 3.
  • Control resigter like PCON, SCON, TMOD, TCON, IE, and IP.
  • Program counter - 16 bit & DPRT.
  • Serial data Tx and Rx for full duplex operation.
  • Stack pointer - 8-bit and PSW.
Thank you for reading this article. Still, if you have any questions or queries in your mind on the Features of the 8051 Microcontroller then please ask us in the comment section below.

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