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Número de pieza
componentes Descripción
P95331 Ver la hoja de datos (PDF) - NXP Semiconductors.
Número de pieza
componentes Descripción
Fabricante
P95331
4-bit I2C-bus LED dimmer
NXP Semiconductors.
P95331 Datasheet PDF : 24 Pages
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NXP Semiconductors
4. Block diagram
PCA9533
4-bit I
2
C-bus LED dimmer
PCA9533
SCL
SDA
INPUT
FILTERS
I
2
C-BUS
CONTROL
POWER-ON
V
DD
RESET
OSCILLATOR
V
SS
PRESCALER 0
REGISTER
PRESCALER 1
REGISTER
Remark:
Only one I/O shown for clarity.
Fig 1. Block diagram of PCA9533
5. Pinning information
5.1 Pinning
INPUT
REGISTER
LED SELECT (LSn)
REGISTER
0
1
PWM0
REGISTER
PWM1
REGISTER
BLINK0
BLINK1
LEDn
002aae626
PCA9533D/01
PCA9533D/02
LED0 1
LED1 2
LED2 3
V
SS
4
8 V
DD
7 SDA
6 SCL
5 LED3
002aae624
Fig 2. Pin configuration for SO8
PCA9533DP/01
PCA9533DP/02
LED0 1
LED1 2
LED2 3
V
SS
4
8 V
DD
7 SDA
6 SCL
5 LED3
002aae625
Fig 3. Pin configuration for TSSOP8
5.2 Pin description
Table 3.
Symbol
LED0
LED1
LED2
V
SS
LED3
Pin description
Pin
1
2
3
4
5
Description
LED driver 0
LED driver 1
LED driver 2
supply ground
LED driver 3
PCA9533_3
Product data sheet
Rev. 03 — 27 April 2009
© NXP B.V. 2009. All rights reserved.
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