The Free On-line Dictionary of Computing (30 December 2018):

ARM610

    A 32-bit RISC microprocessor based on the
   ARM6 processor core designed by Advanced RISC Machines
   Ltd.

   The ARM610 is the successor to the ARM3 processor and is
   produced by VLSI Technology Inc.  It consumes 500mW at 33MHz
   with a 5V supply.

   (1995-12-29)