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PCA9685PW,118

16-channel, 12-bit PWM Fm+ I2C-bus LED controller

NXP Semiconductors. 

NXP Semiconductors

PCA9685

16-channel, 12-bit PWM Fm+ I2C-bus LED controller

STOP

0

4095 0

register(s) updated in this cycle

example 1

LEDn_ON

511

LEDn_OFF

3071

4095 0

output(s) updated in this cycle

511

1023

511

1023

example 2

LEDn_ON

511

LEDn_OFF

3071

767

1023

767

1023

example 3

LEDn_ON

511

LEDn_OFF

3071

3071

1023

example 4

LEDn_ON

511

LEDn_OFF

off

3071

Example 1: LEDn_ON unchanged and LEDn_OFF decreased.

Example 2: LEDn_ON increased and LEDn_OFF decreased.

Example 3: LEDn_ON made > LEDn_OFF.

Example 4: LEDn_OFF[12] set to 1.

Fig 10. Update examples when LEDn_ON < LEDn_OFF

4095 0

002aad194

PCA9685

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 3 — 2 September 2010

© NXP B.V. 2010. All rights reserved.

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