Description

The CXP88800 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP88616/88624, CXP88732/88740/88748 and CXP88852/88860.

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 250ns at 16MHz operation

122µs at 32kHz operation

• Applicable EPROM LCC type 27C512

(Maximum capacity : 60K bytes for option1,

32K bytes for option2)

• Incorporated RAM capacity 1600 bytes

• Peripheral functions

— A/D converter 8-bit, 8-channel, successive approximation method

(Conversion time of 20.0µs/16MHz)

— Serial interface Incorporated 8-bit and 8-stage FIFO

(auto transfer for 1 to 8 bytes), 1 channel

8-bit clock synchronous type, 1 channel

— Timer 8-bit timer, 8-bit timer/counter, 2 channels

19-bit time base timer, 32kHz timer/counter

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

5-bit, 8-stage FIFO (RECCTL control), 1 channel

— PWM/DA gate output PWM output 12 bits 2 channels

(Repetitive frequency 62.5kHz/16MHz)

DA gate pulse output 13 bits, 2 channels

— Analog signal input circuit Capstan FG amplifier circuit

Drum FG amplifier circuit

Drum PG amplifer circuit

PBCTL amplifier circuit

— CTL write/rewrite circuit Recording current control circuit

— 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

— VISS/VASS circuit Pulse duty auto detection circuit

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

— Tri-state output PPG output 1 pin, output 8 pins

— Psendo HSYNC output function

— High-speed head switching circuit

• Interruption 20 factors, 15 vectors, multi-interruption possible

• Standby mode SLEEP/STOP

• Package 100-pin ceramic QFP