NXP Semiconductors
PCA9532
16-bit I 2 C-bus LED dimmer
6.3.7 LS0 to LS3 - LED selector registers
The LSn LED selector registers determine the source of the LED data.
00 = output is set high-impedance (LED off; default)
01 = output is set LOW (LED on)
10 = output blinks at PWM0 rate
11 = output blinks at PWM1 rate
Table 10. LS0 to LS3 - LED selector registers bit description
Legend: * default value.
Register
Bit
Value
Description
LS0 - LED0 to LED3 selector
LS0
7:6
5:4
3:2
1:0
00*
00*
00*
00*
LED3 selected
LED2 selected
LED1 selected
LED0 selected
LS1 - LED4 to LED7 selector
LS1
7:6
5:4
3:2
1:0
00*
00*
00*
00*
LED7 selected
LED6 selected
LED5 selected
LED4 selected
LS2 - LED8 to LED11 selector
LS2
7:6
5:4
3:2
1:0
00*
00*
00*
00*
LED11 selected
LED10 selected
LED9 selected
LED8 selected
LS3 - LED12 to LED15 selector
PCA9532_4
LS3
7:6
5:4
3:2
1:0
00*
00*
00*
00*
LED15 selected
LED14 selected
LED13 selected
LED12 selected
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 17 March 2009
8 of 29
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