Description
The CXP921000A is a CMOS 16-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP921064A.

FEATUREs
• An efficient instruction set as a controller
   – Direct addressing, numerous abbreviated forms,
      multiplication and division instructions
• Instruction sets for C Ianguage and RTOS
   – Highly quadratic instruction system,
      general-purpose register of eight 16-bit × 16-bank configuration
• Minimum instruction cycle time 100ns at 20MHz operation (2.7 to 3.3V)
   61µs at 32kHz operation (2.2 to 3.3V)
• Incorporated EPROM CXP27V1000K
• Incorporated RAM capacity 10K bytes
• Peripheral functions
   — A/D converter 8-bit 12 analog input, 2 channels successive approximation system,
      automatic scanning function, (Conversion time: 3.4µs at 20MHz)
   — Serial interface 128 -byte buffer RAM, 3 channels
      8-stage FIFO, 1 channel (supports special mode master/slave)
   — I2C bus interface 64-byte buffer RAM , 2 channels
      (supports master/slave and automatic transfer mode)
   — Timers 8-bit timer/counter, 2 channels (with timing output)
      16-bit timer, 3 channels
   — Real-time pulse generator 5-bit output, 1 channel (2-stage FIFO)
   — Clock prescaler
   — Remote control receive circuit 8-bit pulse measurement counter, 8-stage FIFO
• Interruption 30 factors, 30 vectors, multi-interruption and priority selection possible
• Standby mode Sleep/stop
• Package 100-pin Ceramic PQFP
• Mask ROM CXP921064A
• FLASH EEPROM incorporated type CXP921F064A