PCA9685BS NXP [NXP Semiconductors], PCA9685BS Datasheet - Page 17

• Manufacturer Part Number: PCA9685BS
• Description: 16-channel, 12-bit PWM Fm+ I2C-bus LED controller
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9685_2
Product data sheet
Fig 9.
LEDn_OFF
LEDn_OFF
LEDn_OFF
example 1
LEDn_ON
example 2
LEDn_ON
example 3
LEDn_ON
example 4
LEDn_ON
Example 1: LEDn_ON < LEDn_OFF
Example 2: LEDn_ON > LEDn_OFF
Example 3: LEDn_ON[12] = 1; LEDn_ON[11:0] = 1022; LEDn_OFF[12] = 0; LEDn_OFF[11:0] = don’t care
Example 4: LEDn_ON[12] = 0; LEDn_OFF[12] = 0; LEDn_ON[11:0] = LEDn_OFF[11:0]
Output example
STOP
0
off
511
1023
1023
1023
2047
3071
4095 0
Rev. 02 — 16 July 2009
511
767
16-channel, 12-bit PWM Fm+ I
2047
3071
4095 0
511
767
2
C-bus LED controller
2047
PCA9685
© NXP B.V. 2009. All rights reserved.
3071
4095 0
002aad193
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