PCA9531BS PHILIPS [NXP Semiconductors], PCA9531BS Datasheet - Page 4
PCA9531BS
Manufacturer Part Number
PCA9531BS
Description
8-bit I2C LED dimmer
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.PCA9531BS.pdf
(20 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PCA9531BS
Manufacturer:
NXP
Quantity:
60 000
Company:
Part Number:
PCA9531BS+118
Manufacturer:
ST
Quantity:
1 000
Philips Semiconductors
BLOCK DIAGRAM
2003 Nov 10
8-bit I
RESET
SDA
SCL
V
V
DD
SS
2
C LED dimmer
PCA9531
FILTERS
INPUT
OSCILLATOR
POWER-ON
RESET
A2
CONTROL
I
2
C-BUS
A1
A0
NOTE: ONLY ONE I/O SHOWN FOR CLARITY
Figure 3. Block diagram
PRESCALER 0
PRESCALER 1
REGISTER
REGISTER
4
REGISTER
REGISTER
PWM1
PWM0
BLINK0
BLINK1
0
1
LED SELECT (LSx)
REGISTER
REGISTER
INPUT
PCA9531
SW02040
Product data
LEDx
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