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PCA9552D Datasheet(PDF) 8 Page - NXP Semiconductors |
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PCA9552D Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 28 page PCA9552_5 © Koninklijke Philips Electronics N.V. 2006. All rights reserved. Product data sheet Rev. 05 — 9 March 2006 8 of 28 Philips Semiconductors PCA9552 16-bit I2C-bus LED driver with programmable blink rates 6.3.7 LS0 to LS3 - LED selector registers The LSn LED select registers determine the source of the LED data. 00 = output is set LOW (LED on) 01 = output is set high-impedance (LED off; default) 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 01* LED3 selected 5:4 01* LED2 selected 3:2 01* LED1 selected 1:0 01* LED0 selected LS1 - LED4 to LED7 selector LS1 7:6 01* LED7 selected 5:4 01* LED6 selected 3:2 01* LED5 selected 1:0 01* LED4 selected LS2 - LED8 to LED11 selector LS2 7:6 01* LED11 selected 5:4 01* LED10 selected 3:2 01* LED9 selected 1:0 01* LED8 selected LS3 - LED12 to LED15 selector LS3 7:6 01* LED15 selected 5:4 01* LED14 selected 3:2 01* LED13 selected 1:0 01* LED12 selected |
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