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Description

The CXP85112B/85116B, CXP85220A/85224A/85228A/85232A is a CMOS 8-bit single chip microcomputer integrating on a single chip an A/D converter, serial interface, timer/counter, time base timer, vector interruption, on-screen display function, I2C bus interface, PWM generator, remote control reception circuit, HSYNC counter, power source frequency counter and watch dog timer besides the basic configurations of 8-bit CPU, ROM, RAM, and l/O port.

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 1?s at 4MHz operation

? Incorporated ROM capacity 12K bytes (CXP85112B)

16K bytes (CXP85116B)

20K bytes (CXP85220A)

24K bytes (CXP85224A)

28K bytes (CXP85228A)

32K bytes (CXP85232A)

? Incorporated RAM capacity 352 bytes (CXP85112B/85116B)

448 bytes (CXP85220A/85224A/85228A/85232A)

? Peripheral functions

— On-screen display function 12 ×16 dots, 128 types 21 words ×4 Iines (more than 4 Iines possible)

Double scan mode compatible, jitter elimination circuit

— I2C bus interface

— PWM output 14 bits, 1 channel 6 bits, 8 channels

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

— A/D converter 4 bits, 4channels, successive approximation method (Conversion time of 40?s/4MHz)

— HSYNC counter

— Power supply frequency counter

— Watch dog timer

— Serial I/O 8-bit clock synchronization

— Timer 8-bit timer, 8-bit timer/counter, 19-bit time base timer

? Interruption 14 factors, 14 vectors, multi-interruption possible

? Standby mode Sleep

? Package 64-pin plastic SDIP/QFP

? Piggyback/evaluation chip CXP85100A, CXP85190 (Custom font compatible)

CXP85200A, CXP85290 (Custom font compatible)