Description
The CXP81900 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP81952/81960.

Features
• A wide instruction set (213 instructions) which cover various types of data.
    – 16-bit operation/multiplication and division/boolean bit operation instructions
• Minimum instruction cycle 250ns at 16MHz operation (4.5 to 5.5V) 333ns at 12MHz operation (3.0 to 5.5V) 122µs at 32kHz operation
• Applicable EPROM LCC type 27C256, LCC type 27C512 (Maximum 60Kbytes are available.)
• Incorporated RAM capacity 2048 bytes
• Peripheral functions
    – A/D converter 8-bit, 12-channel, successive approximation method (Conversion time of 20µs/16MHz)
    – Serial interface Incorporated buffer RAM (Auto transfer for 1 to 32 bytes), 1 channel Incorporated 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel
    – Timer 8-bit timer, 8-bit timer/counter 19-bit time base timer 32kHz timer/counter
    – High precision timing pattern generator PPG 19-pin, 32-stage programmable RTG 5 pins, 2 channels
    – PWM/DA gate output PWM output 12 bits, 2 channels (Repetitive frequency 62.5kHz/16MHz) DA gate pulse output 13 bits, 4channels
    – FRC capture unit Incorporated 26-bit and 8-stage FIFO
    – PWM output 14 bits, 1 channel
    – Remote control receiving circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO
    – General purpose prescaler 7 bits (PG5 input frequency division, FRC capture possible.)
    – HSYNC counter 12-bit event counter (SYNC1 input count)
• Interruption 20 factors, 15 vectors, multi-interruption possible
• Standby mode SLEEP/STOP
• Package 100-pin ceramic PQFP