描述 Description

The CXP84500 is a CMOS 8-bit single chip microcomputer of piggyback/evaluator combined type, which is developed for evaluating the function of the CXP84540/84548.

特性 Features

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

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

? Minimum instruction cycle 143ns at 28MHz operation (4.5 to 5.5V)

200ns at 20MHz (3.0 to 5.5V)

? Applicable EPROM LCC type 27C512

(Maximum 60K bytes are available)

? Incorporated RAM capacity 1472 bytes

? Peripheral functions

– A/D converter 8 bits, 8 channels, successive approximation method

(Conversion time of 1.93μs at 28MHz/4.5 to 5.5V, 2.6μs at 20MHz/3.0 to 5.5V)

– Serial interface Incorporated 8-bit, 8-stage FIFO (Auto transfer for 1 to 8 bytes,latch output

function, MSB/LSB first selectable), 1 channel

8-bit clock sync type, 1 channel

– Timer 8-bit timer/counter

19-bit time base timer

16-bit capture timer/counter

– PWM output 8 bits, 2 channels

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

? Standby mode SLEEP/STOP

? Package 80-pin ceramic PQFP