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Description

The CXP82712/82716 microcomputer is composed of a 8-bit CPU, ROM, RAM, and I/O ports. These chips feature many other high-performance circuits in a single-chip CMOS design, including an A/D converter, serial interface, timer/counter, time base timer, fluorescent display controller/driver, remote control receiver, PWM output circuit and 32kHz timer/counter.

This device also includes sleep/stop functions which can be used to achieve low power consumption.

Features

? Instruction set which supports a wide array of data types

— 213 types of instructions which include 16-bit calculations, multiplication and division arithmetic, and boolean bit operations.

? Minimum instruction cycle 400ns for 10MHz, 122?s for 32kHz operation

? On-chip ROM 12K bytes (CXP82712) 16K bytes (CXP82716)

? On-chip RAM 448 bytes (Including fluorescent display data area)

? Peripheral functions

— A/D converter 8-bit, 8-channel, successive approximation system (conversion rate 32?s/10MHz)

— Serial interface On-chip 8-bit, 8-stage FIFO (1 to 8 bytes auto transfer), 1 circuit 2-channel

— Timers 8-bit timer

8-bit timer/counter

19-bit time base timer

32kHz timer/counter

— Fluorescent display controller/driver 24 high voltage tolerance output ports

Maximum of 144 segments display available

1 to 16 digits dynamic display

Dimmer function

High voltage tolerance output (40V)

On-chip pull-down resistor (Mask option)

Hardware key scan function (Maximum of 8 × 8 key matrix available)

— Remote control receiver circuit On-chip 6-stage FIFO 8-bit pulse measurement counter

— PWM output 8-bit, 1-channel

? Interruption 13 factors, 13 vectors, multi-interruption possible

? Standby mode Sleep/stop

? Package 64-pin plastic SDIP

? Piggyback/evaluator CXP82700 64-pin ceramic SDIP