CXP824P40A
CMOS 8-bit Single Chip Microcomputer
Description
100 pin QFP (Plastic)
The CXP824P40A 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 tube,
controller/driver, remote control reception circuit, CTL
duty detection circuit, 14-bit PWM output and high-
speed output circuit besides the basic configurations
of 8-bit CPU, PROM, RAM, and I/O port.
The CXP824P40A also provides sleep/stop function
that enables lower power consumption.
Structure
Silicon gate CMOS IC
CXP824P40A is the PROM-incorporated version of
the CXP82440A with built-in mask ROM. This
provides the additional feature of being able to write
directly into the program. Thus, it is most suitable for
evaluation use during system development and for
small-quantity production.
Features
• 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
40K bytes
• Incorporated PROM capacity
• Incorporated RAM capacity
• Peripheral functions
1120 bytes (including fluorescent display area)
— A/D converter
8-bit, 8-channel, successive approximation method
(Conversion time of 32µs/10MHz)
Incorporated 8-bit, 8-stage FIFO
— Serial interface
(Auto transfer for 1 to 8 bytes), 1 channel
8-bit clock sync type, 1 channel
— Timers
8-bit timer, 8-bit timer/counter, 19-bit time base timer
16-bit capture timer/counter, 32kHz timer/counter
Maximum of 384 segments display possible
1 to 16-digit dynamic display
— Fluorescent display tube controller/driver
Dimmer function
High voltage drive output (40V)
On-chip pull-down resistor (Mask option)
Hardware key scan function
(Maximum of 16 × 8 key matrix compatible)
Incorporated noise elimination circuit
8-bit measurement counter with on-chip 6-stage FIFO
14 bits, 1 channel
— Remote control receiving circuit
— PWM output
— CTL duty detection circuit
— High-speed output circuit
• Interruption
RTG 4 pins
19 factors, 15 vectors, multi-interruption possible
SLEEP/STOP
• Standby mode
• Package
100-pin plastic 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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