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Número de pieza
componentes Descripción
PCA9531D Ver la hoja de datos (PDF) - NXP Semiconductors.
Número de pieza
componentes Descripción
Fabricante
PCA9531D
8-bit I2C-bus LED dimmer
NXP Semiconductors.
PCA9531D Datasheet PDF : 27 Pages
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NXP Semiconductors
4. Block diagram
PCA9531
8-bit I
2
C-bus LED dimmer
PCA9531
A0 A1 A2
SCL
SDA
INPUT
FILTERS
I
2
C-BUS
CONTROL
V
DD
RESET
V
SS
POWER-ON
RESET
OSCILLATOR
Only one I/O shown for clarity.
Fig 1. Block diagram of PCA9531
PRESCALER 0
REGISTER
PRESCALER 1
REGISTER
INPUT
REGISTER
LED SELECT (LSn)
REGISTER
0
1
PWM0
REGISTER
PWM1
REGISTER
BLINK0
BLINK1
LEDn
002aac522
PCA9531_6
Product data sheet
Rev. 06 — 19 February 2009
© NXP B.V. 2009. All rights reserved.
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