Philips Semiconductors
16-bit I2C LED dimmer
Product data
PCA9532
LS0 — LED 0-3 SELECTOR
LED 3
LED 2
bit
7
6
5
4
default 0
0
0
0
LS1 — LED 4-7 SELECTOR
LED 7
LED 6
bit
7
6
5
4
default 0
0
0
0
LED 1
3
2
0
0
LED 5
3
2
0
0
LED 0
1
0
0
0
LED 4
1
0
0
0
LS2 — LED 8-11 SELECTOR
LED 11
LED 10
bit
7
6
5
4
default 0
0
0
0
LS3 — LED 12-15 SELECTOR
LED 15
LED 14
bit
7
6
5
4
default 0
0
0
0
The LSx LED select registers determine the source of the LED data.
00 = Output is set Hi-Z (LED off - default)
01 = Output is set LOW (LED on)
10 = Output blinks at PWM0 rate
11 = Output blinks at PWM1 rate
LED 9
3
2
0
0
LED 13
3
2
0
0
LED 8
1
0
0
0
LED 12
1
0
0
0
2003 May 02
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