
Description
The CXP82900 is a CMOS 8-bit single chip micro-
computer of piggyback/evaluator combined type,
which is developed for evaluating the function of the
CXP82940/82948/82952/82960.
Features
Wide-range instruction system (213 instructions)
to 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
LCC type 27C512 (Maximum 60K bytes are available.)
2048 bytes (Including fluorescent display data area.)
Applicable EPROM
Incorporated RAM capacity
Peripheral functions
— A/D converter
8-bit, 8-channel, successive approximation method
(Conversion time of 20μs/16MHz)
Incorporated buffer RAM (Auto transfer for 1 to 32bytes), 1 channel
Incorporated 8-bit, 8-stage FIFO (Auto transfer for 1 to 8 bytes), 1 channel
8-bit timer
8-bit timer/counter
19-bit time base timer
32kHz timer/counter
— Fluorescent display panel controller/driver
Maximum 196-segment display possible
1 to 16-digit dynamic display
Dimmer function
High voltage drive output (40V)
Pull-down function
Hardware key scan function (Maximum 12
×
8 key matrix compatible)
— I
2
C bus interface
— Remote control transmission circuit
Auto transmission for 1 to 32 bytes, restart function, carrier output function
— Remote control reception circuit
8-bit pulse measurement counter with on-chip 6-stage FIFO
Interruption
16 factors, 15 vectors, multi-interruption possible
Standby mode
SLEEP/STOP
Package
80-pin ceramic QFP
Note)
Mask option depends on the type of the CXP82900. Refer to the Products List for details.
— Serial interface
— Timer
Structure
Silicon gate CMOS IC
Perchase of Sony's I
2
C components conveys a licence under the Philips I
2
C Patent Rights to use these components
in an I
2
C system, provided that the system conforms to the I
2
C Standard Specifications as defined by Philips.
– 1 –
CXP82900
E95613-PP
CMOS 8-bit Single Chip Microcomputer
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
80 pin PQFP (Ceramic)
Piggyback/
evaluator type