Question

State any six features of 8051 Microcontroller.

State any six important features of Intel 8051 Microcontroller.

Answer 1

The main features of 8051 are as listed below.

1. The 8051 microcontroller has an 8-bit ALU.
2. The 8051 has a 4K byte (4K × 8 bit) ROM or EPROM.
3. The 8051 has 128 byte (128 × 8 bit) RAM.
4. It has dual 16-bit timer event counter.
5. It has 32 I/O lines for four 8-bit I/O ports.
6. It can address 64 kB of program memory.
7. It can address 64 kB of data memory.
8. It has powerful instruction set, consisting of 111 instructions.
9. It has two external interrupts.
10. The 8051 has clock up to 12-MHz frequency.
11. Full-featured serial port.