The MC68HC05E6 is a member of the M68HC05 family of HCMOS microcomputers. Features of the MC68HC05E6 include 6K bytes of user ROM, 160 bytes of EEPROM, a keyboard interface, an A/D converter and

a 16-bit timer. The device is further enhanced by a core timer which enables real time interrupts at, for example, 8ms intervals and a watchdog facility which guards against CPU ‘runaway’. The on-board EEPROM facilitates storage of alterable, non-volatile, user specified data, such as personalisation data or control parameters. The features highlighted make the part ideally suited to various control applications, while the low voltage design and low cost option ensure that it can also be used in telecommunications applications such as telephone handsets.