Description

The CXP87400 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP87452/87460.

Features

• A wide instruction set (213 instructions) which cover various types of data.

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

• Minimum instruction cycle 333ns at 12MHz operation (3.0 to 5.5V) 250ns at 16MHz operation (4.5 to 5.5V)

• Applicable EPROM LCC type 27C256, LCC type 27C512 (Maximum 60Kbytes are available.)

• Incorporated RAM capacity 1568 bytes

• Peripheral functions

– A/D converter 8-bit, 12-channel, successive approximation method (Conversion time of 20µs/16MHz)

– Serial interface Incorporated buffer RAM (Auto transfer for 1 to 32 bytes), 1 channel Incorporated 8-bit and 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel

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

– High precision timing pattern generator PPG 19-pin, 32-stage programmable PPG 10-pin, 21-stage programmable RTG 5 pins, 2 channels

– PWM/DA gate output PWM output 12 bits, 2 channels (Repetitive frequency 62.5kHz/16MHz) DA gate pulse output 12 bits, 4 channels

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

– VSYNC separator

– FRC capture unit Incorporated 26-bit and 8-stage FIFO

– PWM output 14 bits, 1 channel

– General purpose prescaler 10 bits (system clock asynchronous type)

– Pulse cycle measurement circuit

• Interruption 18 factors, 14 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 100-pin ceramic PQFP