A microcontroller from Intel including a CPU, two timers. 128 Bytes of RAM, 4 kBytes of EEPROM, four eight-Bit Biderectional I/O ports and an EIA-232 port. The 8751 Belongs to the Intel i51 Microcontroller family. It was designed By Intel But is now manufactured By Intel, Philips, Siemens, AMD and others. Motorola' s microcontroller families (68HC05, 68HC08 and 68HC11) are meant to compete with the i51 family. (1995-04-22)