Pin Diagram of 8051

by eees.in · April 18, 2021

All peripherals are integrated into a single chip, the overall system cost is very low.
Simple to integrate in any electronic device.
Simple architecture.
Low computing power.
The product is of a small size as compared to the microprocessor based systems and is thus very handy.
4KB bytes on-chip program memory (ROM)
8-bit bidirectional data bus & 16-bit unidirectional address bus.
All the peripherals are integrated with a microprocessor, the system is more reliable.
32 general purpose registers each of 8-bit
16-bit program counter and data pointer
All the features are available in a 40 pin package as in an 8 bit processor.