NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I 2 C-bus LED controller
6. Pinning information
6.1 Pinning
A0
A1
1
2
28 V DD
27 SDA
A2
A3
3
4
26 SCL
25 EXTCLK
terminal 1
index area
A4
LED0
5
6
24 A5
23 OE
A3
A4
1
2
21 A5
20 OE
LED1
LED2
LED3
7
8
9
PCA9685PW
PCA9685PW/Q900
22 LED15
21 LED14
20 LED13
LED0
LED1
LED2
3
4
5
PCA9685BS
19 LED15
18 LED14
17 LED13
LED4 10
LED5 11
19 LED12
18 LED11
LED3
LED4
6
7
16 LED12
15 LED11
LED6 12
LED7 13
17 LED10
16 LED9
V SS 14
002aac825
15 LED8
Transparent top view
002aad236
Fig 2.
Pin configuration for TSSOP28
Fig 3.
Pin configuration for HVQFN28
6.2 Pin description
Table 2.
Pin description
Symbol
Pin
TSSOP28
HVQFN28
Type
Description
A0
A1
A2
A3
A4
LED0
LED1
LED2
LED3
LED4
LED5
LED6
LED7
V SS
LED8
LED9
LED10
LED11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
26
27
28
1
2
3
4
5
6
7
8
9
10
11 [1]
12
13
14
15
I
I
I
I
I
O
O
O
O
O
O
O
O
power supply
O
O
O
O
address input 0
address input 1
address input 2
address input 3
address input 4
LED driver 0
LED driver 1
LED driver 2
LED driver 3
LED driver 4
LED driver 5
LED driver 6
LED driver 7
supply ground
LED driver 8
LED driver 9
LED driver 10
LED driver 11
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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