Description
The CXP84500 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP84540/84548.

Features
• A wide instruction set (213 instructions) which covers verious types of data.
   – 16-bit operation/multiplication and division/Boolean bit operation instructions
• Minimum instruction cycle 143ns at 28MHz operation (4.5 to 5.5V)
   200ns at 20MHz (3.0 to 5.5V)
• Applicable EPROM LCC type 27C512
   (Maximum 60K bytes are available)
• Incorporated RAM capacity 1472 bytes
• Peripheral functions
   – A/D converter 8 bits, 8 channels, successive approximation method
      (Conversion time of 1.93µs at 28MHz/4.5 to 5.5V, 2.6µs at 20MHz/3.0 to 5.5V)
   – Serial interface Incorporated 8-bit, 8-stage FIFO (Auto transfer for 1 to 8 bytes,latch output
      function, MSB/LSB first selectable), 1 channel
      8-bit clock sync type, 1 channel
   – Timer 8-bit timer/counter
      19-bit time base timer
      16-bit capture timer/counter
   – PWM output 8 bits, 2 channels
• Interruption 14 factors, 14 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 80-pin ceramic PQFP