Description

The CXP82900 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP82940/82948/82952/82960.

Features

• Wide-range instruction system (213 instructions) to cover various types of data

— 16-bit operation/multiplication and division/Boolean bit operation instructions

• Minimum instruction cycle 250ns at 16MHz operation 122µs at 32kHz operation

• Applicable EPROM LCC type 27C512 (Maximum 60K bytes are available.)

• Incorporated RAM capacity 2048 bytes (Including fluorescent display data area.)

• Peripheral functions

— A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 20µs/16MHz)

— Serial interface Incorporated buffer RAM (Auto transfer for 1 to 32bytes), 1 channel Incorporated 8-bit, 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

— Fluorescent display panel controller/driver Maximum 196-segment display possible 1 to 16-digit dynamic display Dimmer function High voltage drive output (40V) Pull-down function Hardware key scan function (Maximum 12 × 8 key matrix compatible)

— I2C bus interface

— Remote control transmission circuit Auto transmission for 1 to 32 bytes, restart function, carrier output function

— Remote control reception circuit 8-bit pulse measurement counter with on-chip 6-stage FIFO

• Interruption 16 factors, 15 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 80-pin ceramic QFP