描述 Description

The CXP87500 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP87532/87540.

特性 Features

? A wide instruction set (213 instructions) which covers various types of data

– 16-bit operation/multiplication and division/ boolean bit operation instructions

? Minimum instruction cycle 326ns at 12.288MHz operation

? Applicable EPROM LCC type 27C512 (Maximum 40Kbytes are available)

? Incorporated RAM capacity 1344bytes

? Peripheral functions

– Arithmetic coprocessor Signed multiplication and division, signed sum of products. high speed execution of many bits shift rotation operation

– A/D converter 8-bit, 8-channel, successive approximation method (Conversion time of 13μs/12.288MHz) Incorporated 3-stage FIFO for A/D conversion data

– Serial interface Incorporated buffer RAM (auto transfer for 1 to 128bytes), 2-channel

– Timer 8-bit timer 8-bit timer/counter 19-bit time base timer

– High precision timing pattern generator PPG 11-pin, 32-stage programmable

– PWM output 12-bit, 2-channel (repetitive frequency 48kHz) 8-bit, 3-channel (repetitive frequency 48kHz)

– Servo input control Capstan FG, drum FG/PG, reel FG input

– FRC capture unit Incorporated 28-bit and 8-stage FIFO

? Interruption 12 factors, 12 vectors, multi-interruption possible

? Standby mode Sleep/stop

? Package 100-pin ceramic PQFP