Source : Free On-Line Dictionary of Computing

Motorola 6801
     
         (And 6803) A version of the {Motorola 6800} with
        {ROM}, some {RAM}, a serial I/O port and other functions on
        the chip.  It was meant for embedded controllers, where the
        part count was to be minimised.  The 6803 led to the 68HC11
        and that was extended to 16 bits as the 68HC16.
     
        (1994-11-07)