pca9634 NXP Semiconductors, pca9634 Datasheet - Page 37

• Manufacturer Part Number: pca9634
• Description: Pca9634 8-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
14
15
General description . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Pinning information . . . . . . . . . . . . . . . . . . . . . . 5
Functional description . . . . . . . . . . . . . . . . . . . 7
Characteristics of the I
Bus transactions . . . . . . . . . . . . . . . . . . . . . . . 22
Application design-in information . . . . . . . . . 24
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24
Static characteristics. . . . . . . . . . . . . . . . . . . . 25
Dynamic characteristics . . . . . . . . . . . . . . . . . 26
Test information . . . . . . . . . . . . . . . . . . . . . . . . 28
Package outline . . . . . . . . . . . . . . . . . . . . . . . . 29
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5
Device addresses . . . . . . . . . . . . . . . . . . . . . . . 7
Regular I
LED All Call I
LED Sub Call I
Software Reset I
Control register . . . . . . . . . . . . . . . . . . . . . . . . . 8
Register definitions . . . . . . . . . . . . . . . . . . . . . 10
Mode register 1, MODE1 . . . . . . . . . . . . . . . . 10
Mode register 2, MODE2 . . . . . . . . . . . . . . . . 11
PWM0 to PWM7: Individual brightness control 12
GRPPWM: Group duty cycle control . . . . . . . 12
GRPFREQ: Group frequency . . . . . . . . . . . . . 13
LEDOUT0 and LEDOUT1: LED driver
output state . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SUBADR1 to SUBADR3: I
subaddress 1 to 3 . . . . . . . . . . . . . . . . . . . . . . 14
ALLCALLADR: LED All Call I
Active LOW output enable input . . . . . . . . . . . 15
Power-on reset . . . . . . . . . . . . . . . . . . . . . . . . 15
Software Reset . . . . . . . . . . . . . . . . . . . . . . . . 16
Using the PCA9634 with and without
external drivers . . . . . . . . . . . . . . . . . . . . . . . . 17
Individual brightness control with group
dimming/blinking . . . . . . . . . . . . . . . . . . . . . . . 19
Bit transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
START and STOP conditions . . . . . . . . . . . . . 20
System configuration . . . . . . . . . . . . . . . . . . . 20
Acknowledge . . . . . . . . . . . . . . . . . . . . . . . . . 21
2
C-bus slave address . . . . . . . . . . . . . 7
2
C-bus address . . . . . . . . . . . . . . 7
2
C-bus addresses . . . . . . . . . . . 8
2
C-bus address . . . . . . . . . . . 8
2
C-bus. . . . . . . . . . . . . 20
2
C-bus
2
C-bus address. 14
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]
Handling information . . . . . . . . . . . . . . . . . . . 32
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . 34
Revision history . . . . . . . . . . . . . . . . . . . . . . . 35
Legal information . . . . . . . . . . . . . . . . . . . . . . 36
Contact information . . . . . . . . . . . . . . . . . . . . 36
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Introduction to soldering. . . . . . . . . . . . . . . . . 32
Wave and reflow soldering . . . . . . . . . . . . . . . 32
Wave soldering. . . . . . . . . . . . . . . . . . . . . . . . 32
Reflow soldering. . . . . . . . . . . . . . . . . . . . . . . 33
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 36
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 36
8-bit Fm+ I
Document identifier: PCA9634_4
Date of release: 5 January 2007
PCA9634
2
C-bus LED driver
All rights reserved.