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CXP82952 View Datasheet(PDF) - Sony Semiconductor

Part Name
Sony Semiconductor Sony
CXP82952 Datasheet PDF : 24 Pages
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CMOS 8-bit Single Chip Microcomputer
The CXP82940/82948/82952/82960 is a CMOS 8-bit
single chip microcomputer integrating on a single
chip an A/D converter, serial interface, timer/counter,
time base timer, fluorescent display panel
controller/driver, I2C bus interface, remote control
transmission circuit, remote control reception circuit,
and 32kHz timer/counter besides the basic
configurations of 8-bit CPU, ROM, RAM, and I/O
80 pin QFP (Plastic)
Wide-range instruction system (213 instructions)
Silicon gate CMOS IC
to cover various types of data
— 16-bit arithmetic/multiplication and division/boolean bit operation instructions
Minimum instruction cycle
250ns at 16MHz operation
(122µs at 32kHz operation)
Incorporated ROM capacity
40K bytes (CXP82940)
48K bytes (CXP82948)
52K bytes (CXP82952)
60K bytes (CXP82960)
Incorporated RAM capacity
2048 bytes (including fluorescent display area)
Periphera; functions
— A/D converter
8-bit, 8-channel, successive approximation method
(Conversion time of 20µs/16MHz)
— Serial interface
Buffer RAM incorporated (Auto transfer for 1 to 32 bytes), 1 channel
8-bit, 8-stage FIFO incorporated
(Auto transfer for 1 to 8 bytes), 1 channel
— Timers
8-bit timer, 8-bit timer/counter, 19-bit time base timer
32kHz timer/counter
— Fluorescent display panel controller/driver Maximum of 196 segments display possible
1 to 16-digit dynamic display
Dimmer function
High voltage drive output (40V)
Incorporated pull-down resistor (Mask option)
Hardware key scan function
Maximum of 12 × 8 key matrix supportable
— I2C 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, 6-stage FIFO
16 factors, 15 vectors, multi-interruption possible
Standby mode
80-pin plastic QFP
Piggyback/evaluation chip
CXP82900 80-pin ceramic QFP
Perchase of Sony’s I2C components conveys a licence under the Philips I2C Patent Rights to use these components
in an I2C system, provided that the system conforms to the I2C Standard Specifications as defined by Philips.
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.

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