8051 microcontroller features

What you will learn here about 8051 microcontroller

  • 8051 microcontroller features

8051 microcontroller features

The most import features of 8051 microcontroller is given below

  • 8 Bit microcontroller i.e 8 bit CPU
  • 8 bit ALU which is responsible for performing arithmetic and logical operations only on 8 bit data
  • ROM (Internal Program memory) – 4KB
  • RAM (Internal Data memory) – 128bytes
  • Two 16 bit timer/counter: T0, T1
  • Four 8 bit register bank
  • 32 bi direction I/O lines i.e 4 Eight bit I/O ports
  • 16 bit program counter (PC)
  • 16 bit data pointer (DPTR)
  • 64KB external program memory address space
  • 64KB external data memory address space
  • 8 bit stack pointer
  • 8 bit Program status word(PSW)
  • 5 vector interrupts
  • Full duplex transmitter and receiver communication




You may also like...

Leave a Reply