描述 Description

The CXP82832/82840/82852/82860 is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, capture timer/counter, fluorescent display panel controller/driver, remote control reception circuit, and PWM output besides the basic configurations of 8-bit CPU, ROM, RAM, and I/O port.

特性 Features

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

— 16-bit arithmetic/multiplication and division/boolean bit operation instructions

? Minimum instruction cycle 400ns at 10MHz operation

(122μs at 32kHz operation)

? Incorporated ROM capacity

32K bytes (CXP82832)

40K bytes (CXP82840)

52K bytes (CXP82852)

60K bytes (CXP82860)

? Incorporated RAM capacity 1536 bytes (including fluorescent display area)

? Peripheral functions

— A/D converter

8 bits, 8 channels, successive approximation method(Conversion time of 32μs/10MHz)

— Serial interface

8-bit, 8-stage FIFO incorporated (Auto transfer for 1 to 8 bytes), 1 channel 8-bit clock synchronized 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 possibleDisplay timing number of 1 to 20 Dimmer function Incorporated pull-down resistor (Mask option) Hardware key scan function (Maximum of 16 × 8 key matrix supportable)

— Remote control reception circuit

8-bit pulse measurement counter, 6-stage FIFO

— PWM output

14 bits, 1 channel

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

? Standby mode SLEEP/STOP

? Package 100-pin plastic QFP

? Piggyback/evaluation chip CXP82800 100-pin ceramic QFP