描述 Description

The CXP852P32A is highly integrated microcomputers composed of 8-bit CPU, PROM, RAM, and I/O ports. This IC featureS many other highperformance circuits in a single-chip CMOS design, including an A/D converter, serial interface, timer/counter, time base timer, vector interrupt, onscreen display function, I2C bus interface, PWM generator, remote control receiver, HSYNC counter, power supply frequency counter, and watchdog timer.

特性 Features

? A wide instruction set (213 instructions) to cover various types of data

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

? Minimum instruction cycle During operation 1μs at 4MHz

? Incorporated PROM capacity 32K bytes (For program) 3K bytes (for OSD)

? Incorporated RAM capacity 448 bytes

? Peripheral functions

— On-screen display function 12 × 16 dots, 128 types 4 Iines of 21 characters (5 or more lines possible) , double scanning mode supported, jitter elimination circuit

— I2C bus interface

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

— Remote control reception circuit 8-bit pulse measuring counter, 6-stage FIFO

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

— HSYNC counter

— Power supply frequency counter

— Watchdog 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-interrupt possible

? Standby mode Sleep