描述 Description

The CXP82800 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP82832/82840/82852/82860.

特性 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 400ns at 10MHz operation

122μs at 32kHz operation

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

? Incorporated RAM capacity 1536 bytes (Including fluorescent display data area)

? Peripheral functions

— A/D converter 8-bit, 8-channel, successive approximation method

(Conversion time of 32μs/10MHz)

— Serial interface Incorporated 8-bit, 8-stage FIFO

(Auto transfer for 1 to 8 bytes), 1 channel

8-bit clock sync type, 1 channel

— Timers 8-bit timer

8-bit timer/counter

19-bit time base timer

16-bit capture timer/counter

32kHz timer/counter

— Fluorescent display panel controller/driver Supports the universal grid fluorescent display panel.

High voltage drive output port of 56 pins (40V)

Maximum of 640 segments display possible

Display timing number of 1 to 20

Dimmer function

Incorporated pull-down resistor (Mask option)

Hardware key scan function

(Maximum 16 × 8 key matrix compatible)

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

— PWM output 14 bits, 1 channel

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

? Standby mode SLEEP/STOP

? Package 100-pin ceramic PQFP