Philips 32PFL5007D/30 Service Manual page 43

8.4 Diagram 10-3-6 B06 AmbiLight & local dimming
Block diagram
SCL
SDA
V
DD
V
SS
97 kHz
25 MHz
OSCILLA TOR
OE
Pinning information
A0
INPUT FIL TER
POWER-ON
RESET
PWM
REGISTER X
BRIGHTNESS
CONTROL
24.3 kHz
GRPFREQ
REGISTER
190 Hz
1
A0
A1 2
A2 3
A3 4
A4 5
6
LED0
7
LED1
8
LED2
9
LED3
10
V
SS
Figure 8-8 Internal block diagram and pin configuration
IC Data Sheets
B06, PCA9634PW (IC U412)
A1 A2 A3 A4 A5 A6
2
I C-BUS
CONTROL
GRPPWM
REGISTER
'0' – permanently OFF
'1' – permanently ON
PCA9634
back to
div. table
TPM9.5A LA
PCA9634
V
DD
LED
ST A TE
SELECT
REGISTER
MUX/
CONTROL
20
V
DD
19 SDA
18 SCL
17 A6
16 A5
15
OE
14
LED7
13
LED6
12
LED5
11
LED4
8. EN 43
LEDn
19340_307_120720.eps
120720
2012-Nov-30