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Sony Semiconductor Electronic Components Datasheet

CXP87460 Datasheet

CMOS 8-bit Single Chip Microcomputer

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CXP87452/87460
CMOS 8-bit Single Chip Microcomputer
Description
The CXP87452/87460 is a CMOS 8-bit micro-
computer which consists of A/D converter, serial
interface (2ch independently), timer/counter, time
base timer, vector interruption, high precision timing
pattern generation circuit (PPG 2ch independently,
RTG 2ch independently), PWM generator, general
purpose prescaler, PWM for tuner, 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 CXP87452/87460 provides power on reset
function, sleep/stop function which enables to lower
power consumption .
100 pin QFP (PIastic)
Structure
Silicon gate CMOS IC
100 pin LQFP (PIastic)
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)
Incorporated ROM capacity 52K bytes (CXP87452)
60K bytes (CXP87460)
Incorporated RAM capacity 1568 bytes
Peripheral functions
— A/D converter
8-bit, 12-channel, successive approximation system
(Conversion time: 20µs/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
— High precision timing pattern generator PPG 19 pins 32-stage programmable
PPG 10 pins 21-stage programmable
RTG 5 pins 2-channel
— PWM/DA gate output
PWM 12-bit, 2-channel (Repetitive frequency 62.5kHz/16MHz)
DA gate pulse 12-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
— General purpose prescaler
10-bit (System clock asynchronous)
— Pulse cycle measurement circuit
Interruption
18 factors, 14 vectors, multi-interruption possible
Standby mode
SLEEP/STOP
Package
100-pin plastic QFP/LQFP
Piggyback/evaluation chip
CXP87400 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–
E95111-PS


Sony Semiconductor Electronic Components Datasheet

CXP87460 Datasheet

CMOS 8-bit Single Chip Microcomputer

No Preview Available !

CXP87452/87460
–2–


Part Number CXP87460
Description CMOS 8-bit Single Chip Microcomputer
Maker Sony Corporation
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CXP87460 Datasheet PDF






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