
Description
The CXP81120/81124 is a CMOS 8-bit micro-
computer which consists of A/D converter, serial
interface, timer/counter, time base timer, PWM
output, as well as basic configurations like 8-bit
CPU, ROM, RAM and I/O port. They are integrated
into a single chip.
Also the CXP81120/81124 provides power-on reset
function, sleep/stop function which enables to lower
power consumption.
Features
A wide instruction set (213 instructions) which covers various types of data
— 16-bit operation/multiplication and division/Boolean bit operation instructions
Minimum instruction cycle
250ns at 16MHz operation (4.5 to 5.5V)
333ns at 12MHz operation (3.0 to 5.5V)
Incorporated ROM capacity
20K bytes (CXP81120)
24K bytes (CXP81124)
Incorporated RAM capacity
832 bytes
Peripheral functions
— A/D converter
8-bit, 8-channel, successive approximation system
(Conversion time: 20μs at 16MHz)
— Serial interface
Incorporated buffer RAM (1 to 32 bytes auto transfer), 1 channel
Incorporated 8-bit and 8-stage FIFO
(1 to 8 bytes auto transfer), 1 channel
— Timer
8-bit timer, 8-bit timer/counter, 19-bit time base timer
— PWM output
12 bits, 2 channels
Interruption
10 factors, 10 vectors, multi-interruption possible
Standby mode
Sleep/stop
Package
64-pin plastic QFP/LQFP
Piggyback/evaluator
CXP81100 64-pin ceramic PQFP
Structure
Silicon gate CMOS IC
– 1 –
CXP81120/81124
E94414A69-PS
CMOS 8-bit Single Chip Microcomputer
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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.
64 pin LQFP (Plastic)
64 pin QFP (Plastic)