pca9685 NXP Semiconductors, pca9685 Datasheet - Page 11

• Manufacturer Part Number: pca9685
• Description: 16-channel, 12-bit Pwm Fm+ I 2c-bus Led Controller
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 3.
PCA9685_1
Product data sheet
Register
#
(decimal)
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Register summary
Register
# (hex)
2A
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
D7 D6 D5 D4 D3 D2 D1 D0 Name
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
…continued
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
Rev. 01 — 24 July 2008
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
16-channel, 12-bit PWM Fm+ I
LED9_ON_L
LED9_ON_H
LED9_OFF_L
LED9_OFF_H
LED10_ON_L
LED10_ON_H
LED10_OFF_L
LED10_OFF_H
LED11_ON_L
LED11_ON_H
LED11_OFF_L
LED11_OFF_H
LED12_ON_L
LED12_ON_H
LED12_OFF_L
LED12_OFF_H
LED13_ON_L
LED13_ON_H
LED13_OFF_L
LED13_OFF_H
Type
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
read/write
Function
LED9 output and
brightness control byte 0
LED9 output and
brightness control byte 1
LED9 output and
brightness control byte 2
LED9 output and
brightness control byte 3
LED10 output and
brightness control byte 0
LED10 output and
brightness control byte 1
LED10 output and
brightness control byte 2
LED10 output and
brightness control byte 3
LED11 output and
brightness control byte 0
LED11 output and
brightness control byte 1
LED11 output and
brightness control byte 2
LED11 output and
brightness control byte 3
LED12 output and
brightness control byte 0
LED12 output and
brightness control byte 1
LED12 output and
brightness control byte 2
LED12 output and
brightness control byte 3
LED13 output and
brightness control byte 0
LED13 output and
brightness control byte 1
LED13 output and
brightness control byte 2
LED13 output and
brightness control byte 3
2
C-bus LED controller
PCA9685
© NXP B.V. 2008. All rights reserved.
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