pca9635 NXP Semiconductors, pca9635 Datasheet - Page 34

• Manufacturer Part Number: pca9635
• Description: Pca9635 16-bit Fm I2c-bus Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
22. Contents
1
2
3
4
5
6
6.1
6.2
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.2
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
7.3.6
7.3.7
7.3.8
7.4
7.5
7.6
7.7
7.8
8
8.1
8.1.1
8.2
8.3
9
10
11
12
13
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 6
Characteristics of the I
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 21
Application design-in information . . . . . . . . . 23
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24
Static characteristics. . . . . . . . . . . . . . . . . . . . 24
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Device addresses . . . . . . . . . . . . . . . . . . . . . . . 6
Regular I
LED All Call I
LED Sub Call I
Software Reset I
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 8
Register definitions . . . . . . . . . . . . . . . . . . . . . . 9
Mode register 1, MODE1 . . . . . . . . . . . . . . . . 10
Mode register 2, MODE2 . . . . . . . . . . . . . . . . 10
PWM0 to PWM15, individual brightness
control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
GRPPWM, group duty cycle control . . . . . . . . 12
GRPFREQ, group frequency . . . . . . . . . . . . . 13
LEDOUT0 to LEDOUT3, LED driver output
state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SUBADR1 to SUBADR3, I
subaddress 1 to 3 . . . . . . . . . . . . . . . . . . . . . . 14
ALLCALLADR, LED All Call I
address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Active LOW output enable input . . . . . . . . . . . 15
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 15
Software Reset . . . . . . . . . . . . . . . . . . . . . . . . 16
Using the PCA9635 with and without external
drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Individual brightness control with group
dimming/blinking . . . . . . . . . . . . . . . . . . . . . . . 18
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
START and STOP conditions . . . . . . . . . . . . . 19
System configuration . . . . . . . . . . . . . . . . . . . 19
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 20
2
C-bus slave address . . . . . . . . . . . . . 6
2
C-bus address . . . . . . . . . . . . . . 7
2
C-bus addresses . . . . . . . . . . . 7
2
C-bus address . . . . . . . . . . . 7
2
C-bus. . . . . . . . . . . . . 19
2
C-bus
2
C-bus
14
15
16
17
17.1
17.2
17.3
17.4
18
19
20
20.1
20.2
20.3
20.4
21
22
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2007.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [e-mail]
Test information. . . . . . . . . . . . . . . . . . . . . . . . 27
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 28
Handling information . . . . . . . . . . . . . . . . . . . 29
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 31
Revision history . . . . . . . . . . . . . . . . . . . . . . . 32
Legal information . . . . . . . . . . . . . . . . . . . . . . 33
Contact information . . . . . . . . . . . . . . . . . . . . 33
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Introduction to soldering. . . . . . . . . . . . . . . . . 29
Wave and reflow soldering . . . . . . . . . . . . . . . 29
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 29
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 30
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 33
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 33
16-bit Fm+ I
Document identifier: PCA9635_5
Date of release: 22 March 2007
PCA9635
2
C-bus LED driver
All rights reserved.