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PCA9533DP/02 Datasheet(PDF) 3 Page - NXP Semiconductors

Part # PCA9533DP/02
Description  4-bit I2C-bus LED dimmer
PDF  24 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9533DP/02 Datasheet(HTML) 3 Page - NXP Semiconductors

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



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