pca9633 NXP Semiconductors, pca9633 Datasheet - Page 12

• Manufacturer Part Number: pca9633
• Description: Pca9633 4-bit Fm+ I2c-bus Led Driver
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 8.
Legend: * default value.
[1]
[2]
Table 9.
Legend: * default value.
PCA9633_3
Product data sheet
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
It takes 500 s max. for the oscillator to be up and running once SLEEP bit has been set to logic 1. Timings on LEDn outputs are not
guaranteed if PWMx, GRPPWM or GRPFREQ registers are accessed within the 500 s window.
No blinking or dimming is possible when the oscillator is off.
Symbol
-
-
DMBLNK
INVRT
OCH
OUTDRV
Symbol
AI2
AI1
AI0
SLEEP
SUB1
SUB2
SUB3
ALLCALL
MODE1 - Mode register 1 (address 00h) bit description
MODE2 - Mode register 2 (address 01h) bit description
[1]
7.3.1 Mode register 1, MODE1
7.3.2 Mode register 2, MODE2
[1]
Access
read only
read only
R/W
R/W
R/W
R/W
Access
read only
read only
read only
R/W
R/W
R/W
R/W
R/W
Value
0*
0*
0*
1
0*
1
0*
1
0
1*
Value
0
1*
0*
1
0*
1
0
1*
0*
1
0*
1
0*
1
0
1*
Description
reserved
reserved
Group control = dimming
Group control = blinking
Output logic state not inverted. Value to use when no external driver used.
Applicable when OE = 0 for PCA9633 16-pin version.
Output logic state inverted. Value to use when external driver used.
Applicable when OE = 0 for PCA9633 16-pin version.
Outputs change on STOP command.
Outputs change on ACK.
The 4 LED outputs are configured with an open-drain structure.
The 4 LED outputs are configured with a totem-pole structure.
Rev. 03 — 20 December 2006
Description
Register Auto-Increment disabled
Register Auto-Increment enabled
Auto-Increment bit 1 = 0
Auto-Increment bit 1 = 1
Auto-Increment bit 0 = 0
Auto-Increment bit 0 = 1
Normal mode
Low power mode. Oscillator off
PCA9633 does not respond to I
PCA9633 responds to I
PCA9633 does not respond to I
PCA9633 responds to I
PCA9633 does not respond to I
PCA9633 responds to I
PCA9633 does not respond to LED All Call I
PCA9633 responds to LED All Call I
[1]
.
2
2
2
C-bus subaddress 1.
C-bus subaddress 2.
C-bus subaddress 3.
[2]
2
2
2
[2]
C-bus subaddress 1.
C-bus subaddress 2.
C-bus subaddress 3.
.
2
C-bus address.
4-bit Fm+ I
2
C-bus address.
PCA9633
2
© NXP B.V. 2006. All rights reserved.
C-bus LED driver
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