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CXP82840 View Datasheet(PDF) - Sony Semiconductor

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Sony Semiconductor Sony
CXP82840 Datasheet PDF : 22 Pages
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CMOS 8-bit Single Chip Microcomputer
The CXP82832/82840/82852/82860 is a CMOS 8-
bit single chip microcomputer integrating on a single
chip an A/D converter, serial interface, timer/counter,
time base timer, capture timer/counter, fluorescent
display panel controller/driver, remote control
reception circuit, and PWM output besides the basic
configurations of 8-bit CPU, ROM, RAM, and I/O port.
The CXP82832/82840/82852/82860 also provides
sleep/stop function that enables lower power
100 pin QFP (Plastic)
Silicon gate CMOS IC
Wide-range instruction system (213 instructions) to cover various types of data
— 16-bit arithmetic/multiplication and division/boolean bit operation instructions
Minimum instruction cycle
400ns at 10MHz operation
(122µs at 32kHz operation)
Incorporated ROM capacity
32K bytes (CXP82832)
40K bytes (CXP82840)
52K bytes (CXP82852)
60K bytes (CXP82860)
Incorporated RAM capacity
1536 bytes (including fluorescent display area)
Peripheral functions
— A/D converter
8 bits, 8 channels, successive approximation method
(Conversion time of 32µs/10MHz)
— Serial interface
8-bit, 8-stage FIFO incorporated
(Auto transfer for 1 to 8 bytes), 1 channel
8-bit clock synchronized type, 1 channel
— Timers
8-bit timer, 8-bit timer/counter, 19-bit time base timer
16-bit capture timer/counter, 32kHz timer/counter
— Fluorescent display panel controller/driver Supports the universal grid fluorescent display panel.
High voltage drive output port of 56 pins (40V)
Maximum of 640 segments display possible
Display timing number of 1 to 20
Dimmer function
Incorporated pull-down resistor (Mask option)
Hardware key scan function (Maximum of 16 × 8 key matrix
— Remote control reception circuit
8-bit pulse measurement counter, 6-stage FIFO
— PWM output
14 bits, 1 channel
16 factors, 15 vectors, multi-interruption possible
Standby mode
100-pin plastic QFP
Piggyback/evaluation chip
CXP82800 100-pin ceramic QFP
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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