IC Data Sheets
8.
8.4
Diagram
10-3-6 B06 AmbiLight & local dimming
B06, PCA9634PW (IC U412)
Figure 8-8 Internal block diagram and pin configuration
19340_307_120720.eps
120720
Block diagram
Pinning information
V
DD
SDA
SCL
A6
A5
OE
LED7
LED6
LED5
LED4
A0
A1
A2
A3
A4
LED0
LED1
LED2
LED3
V
SS
PCA9634
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
A0
A1
A2
A3
A4
A5
A6
I
2
C-BUS
CONTROL
INPUT FILTER
PCA9634
POWER-ON
RESET
SCL
SDA
V
DD
V
SS
LED
STATE
SELECT
REGISTER
PWM
REGISTER X
BRIGHTNESS
CONTROL
GRPFREQ
REGISTER
GRPPWM
REGISTER
MUX/
CONTROL
OE
'0' – permanently OFF
'1' – permanently ON
V
DD
LEDn
190 Hz
24.3 kHz
97 kHz
25 MHz
OSCILLATOR