PCA9685 Datasheet, PDF (23/52 Pages) NXP Semiconductors – 16-channel, 12-bit PWM Fm+ I2C-bus LED controller

NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I²C-bus LED controller
Table 7. LED_ON, LED_OFF control registers (address 06h to 45h) bit description …continued
Legend: * default value.
Address Register
Bit Symbol
Access Value
Description
2Ah
LED9_ON_L
7:0 LED9_ON_L[7:0] R/W
0000 0000* LEDn_ON count for LED9, 8 LSBs
2Bh
LED9_ON_H
7:5 reserved
R
000*
non-writable
4 LED9_ON_H[4]
R/W
0*
LED9 full ON
3:0 LED9_ON_H[3:0] R/W
0000* LEDn_ON count for LED9, 4 MSBs
2Ch
LED9_OFF_L 7:0 LED9_OFF_L[7:0] R/W
0000 0000* LEDn_OFF count for LED9, 8 LSBs
2Dh
LED9_OFF_H 7:5 reserved
R
000*
non-writable
4 LED9_OFF_H[4] R/W
1*
LED9 full OFF
3:0 LED9_OFF_H[3:0] R/W
0000* LEDn_OFF count for LED9, 4 MSBs
2Eh
LED10_ON_L 7:0 LED10_ON_L[7:0] R/W
0000 0000* LEDn_ON count for LED10, 8 LSBs
2Fh
LED10_ON_H 7:5 reserved
R
000*
non-writable
4 LED10_ON_H[4] R/W
0*
LED10 full ON
3:0 LED10_ON_H[3:0] R/W
0000* LEDn_ON count for LED10, 4 MSBs
30h
LED10_OFF_L 7:0 LED10_OFF_L[7:0] R/W
0000 0000* LEDn_OFF count for LED10, 8 LSBs
31h
LED10_OFF_H 7:5 reserved
R
000*
non-writable
4 LED10_OFF_H[4] R/W
1*
LED10 full OFF
3:0 LED10_OFF_H[3:0] R/W
0000* LEDn_OFF count for LED10, 4 MSBs
32h
LED11_ON_L 7:0 LED11_ON_L[7:0] R/W
0000 0000* LEDn_ON count for LED11, 8 LSBs
33h
LED11_ON_H 7:5 reserved
R
000*
non-writable
4 LED11_ON_H[4] R/W
0*
LED11 full ON
3:0 LED11_ON_H[3:0] R/W
0000* LEDn_ON count for LED11, 4 MSBs
34h
LED11_OFF_L 7:0 LED11_OFF_L[7:0] R/W
0000 0000* LEDn_OFF count for LED11, 8 LSBs
35h
LED11_OFF_H 7:5 reserved
R
000*
non-writable
4 LED11_OFF_H[4] R/W
1*
LED11 full OFF
3:0 LED11_OFF_H[3:0] R/W
0000* LEDn_OFF count for LED11, 4 MSBs
36h
LED12_ON_L 7:0 LED12_ON_L[7:0] R/W
0000 0000* LEDn_ON count for LED12, 8 LSBs
37h
LED12_ON_H 7:5 reserved
R
000*
non-writable
4 LED12_ON_H[4] R/W
0*
LED12 full ON
3:0 LED12_ON_H[3:0] R/W
0000* LEDn_ON count for LED12, 4 MSBs
38h
LED12_OFF_L 7:0 LED12_OFF_L[7:0] R/W
0000 0000* LEDn_OFF count for LED12, 8 LSBs
39h
LED12_OFF_H 7:5 reserved
R
000*
non-writable
4 LED12_OFF_H[4] R/W
1*
LED12 full OFF
3:0 LED12_OFF_H[3:0] R/W
0000* LEDn_OFF count for LED12, 4 MSBs
3Ah
LED13_ON_L 7:0 LED13_ON_L[7:0] R/W
0000 0000* LEDn_ON count for LED13, 8 LSBs
3Bh
LED13_ON_H 7:5 reserved
R
000*
non-writable
4 LED13_ON_H[4] R/W
0*
LED13 full ON
3:0 LED13_ON_H[3:0] R/W
0000* LEDn_ON count for LED13, 4 MSBs
PCA9685
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 16 April 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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