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Sony Semiconductor Electronic Components Datasheet

CXP87248A Datasheet

CMOS 8-bit Single Chip Microcomputer

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CXP87240A/87248A
CMOS 8-bit Single Chip Microcomputer
Description
The CXP87240A/87248A is a CMOS 8-bit micro-
computer which consists of A/D converter, serial
interface, timer/counter, time base timer, vector
interruption, high precision timing pattern generation
circuit, PWM generator, PWM for tuner, VISS/VASS
circuit, 32kHz timer/event counter, remote control
receiving circuit, general purpose prescaler, HSYNC
counter, VCR vertical sync separation circuit and the
measuring circuit which measure signals of capstan
FG and drum FG/PG and other servo systems, as
well as basic configurations like 8-bit CPU, ROM,
RAM and I/O port. They are integrated into a single
chip.
Also CXP87240A/87248A provides sleep/stop
function which enables to lower power consumption
and ultra-low speed instruction mode in 32kHz
operation.
100 pin QFP (PIastic) 100 pin LQFP (PIastic)
Structure
Silicon gate CMOS IC
Features
A wide instruction set (213 instructions) which cover various types of data
— 16-bit arithmetic instruction/multiplication and division instructions/boolean bit operation instruction
Minimum instruction cycle
During operation 333ns/12MHz (3.0 to 5.5V)
During operation 250ns/16MHz (4.5 to 5.5V)
During operation 122µs/32kHz
Incorporated ROM capacity 40Kbytes (CXP87240A), 48Kbytes (CXP87248A)
Incorporated RAM capacity 1376bytes
Peripheral functions
— A/D converter
8-bit, 12-channel, successive approximation system
(Conversion time 20.0µs/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,
32kHz timer/counter
— High precision timing pattern generator PPG 19-pin 32-stage programmable
RTG 5-pin 2-channel
— PWM/DA gate output
PWM 12-bit, 2-channel (Repetitive frequency 62kHz/16MHz)
DA gate pulse output 13-bit, 4-channel
— Servo input control
Capstan FG, Drum FG/PG, CTL input
— VSYNC separator
— FRC capture unit
Incorporated 26-bit and 8-stage FIFO
— PWM output
14-bit, 1-channel
— VISS/VASS circuit
Pulse duty auto detection circuit
— Remote control receiving circuit
8-bit pulse measuring counter, 6-stage FIFO
— General purpose prescaler
7-bit (SYNC1 input frequency divided, FRC capture possible)
— HSYNC counter
12-bit event counter (counts the SYNC1 input.)
Interruption
22 factors, 15 vectors, multi-interruption possible
Standby mode
SLEEP/STOP
Package
100-pin plastic QFP/LQFP
Piggyback/evaluation chip
CXP87200A 100-pin ceramic QFP/LQFP
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.
–1–
E94833-ST


Sony Semiconductor Electronic Components Datasheet

CXP87248A Datasheet

CMOS 8-bit Single Chip Microcomputer

No Preview Available !

CXP87240A/87248A
–2–


Part Number CXP87248A
Description CMOS 8-bit Single Chip Microcomputer
Maker Sony Corporation
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CXP87248A Datasheet PDF






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