A microcontroller developed by Intel in 1980 for use in embedded products and still (1999) one of the most popular microcontrollers.

The 8051/8031 cores are used in over 100 devices from 10 independent manufacturers such as Dallas and Philips.

See also CAS 8051 Assembler, as31 assembler, 51forth.

8051 FAQ

The 8031/51 series microcontroller

Intel MCS51 series microcontrollers