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.
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