I2C Ic Overview - Philips PB52.1HU LA Service Manual

Block Diagrams, Test Point Overview, and Waveforms

I2C IC Overview

I²C
B03C PNX85xx: CONTROL
+3V3-PER
3HPJ
AJ27 SDA3
I2C3-SDA
3HPH
AJ28 SCL3
I2C3-SCL
ERR
B03G 13
HDMI
E10
DDC-SDA
C9
DDC-SCL
B11G DEBUG B11A CONTROL STI7100
3A11
3A12
7H00
7AM0
PNX85xx
ST3232C
ERR
RS232
53
INTERFACE
12 RXD_ASC2
R1-OUT
11
1AM0 TXD_ASC2
T1-IN
3A11
3 13 R1-IN
3A12
1 14
T1-OUT
RXD_ASC3
9
R2-OUT
UART3
DEVELOPMENT TXD_ASC3
10
T2-IN
ONLY
3HPE 9HP6
AH27 SDA1 SDA-SLAVE
I2C1SDA
3HPD
9HP5
AK27 SCL1 SCL-SLAVE
I2C1-SCL
3HPG 9HP8
AK28 SDA2 SDA-2
I2C2-SDA
3HPF 9HP7
AK29 SCL2 SCL-2
I2C2-SCL
B03B PNX85xx: STANDBY CONTROLLER
B03B
+3V3-STANDBY
3H41
AH3
I2CuP-SDA
3H38
AG4
I2CuP-SCL
7H02
M25P05
512K
STANDBY
FLASH
CONTROL
RESET-NVM_WP-NANDFLASH
U4
RXD
TXD
V3 UART-SWITCH
3H59
AB1
RXD-UP
3H61
AC5 TXD-UP
E27
RXD-MIPS
RXD
D28 TXD-MIPS
TXD
B03H
B03H PNX85xx: DIGITAL VIDEO OUT / LVDS
VID_OUT
TTL
3HWM
AF15 DV-B0_UART2-RX
B0_UART
3HWN
AK16
DV-B1_UART2-TX
B1_UART
PB52.1HU LA
B06C HDMI SWITCH B06B
SDA-SSB
SCL-SSB
50 49
7J00
DDC-SDA 89
AD8197AASTZ
3JA1
85 PARX-DDC-SDA
DDC-SCL 90
HDMI
PARX-DDC-SCL
86
SWITCH
3JB1
ERR 93 PBRX-DDC-SDA
23
PBRX-DDC-SCL
94
CPU-I2C-SDA
80
CPU-I2C-SCL
81
AJ31 AJ30
AD31
7A00
STI7101BWC
PDRX-DDC-SDA
AD30
AC30
MPEG4
PDRX-DDC-SCL
AD32
AB33
ERR
38
B02A
AA34
+3V3-STANDBY
7HP5
PCA9540BDP
3HPS
4
3HPR
2 CHANNEL
5
I2C
MULTIPLEXER
ERR
3HPQ 11
2
+3V3-STANDBY
3HPT
1
3HPU
1HP0
7
3HPB
ERR
3
24 3HPW
8
2
3HPA
1 ERR
12
3C01
SDA-SSB
SCL-SSB
SDA-UP-MIPS
SCL-UP-MIPS
5 6
7HC3
M24C64
EEPROM
(MAIN NVM)
7HC4
B06A
8
7HC1
UART-SWITCHn
7HC0
74HC4066PW
5
2
12
9
4
3HC3
1
3HC6
8
3
11
10
6. 44
HDMI B10C PACIFIC 3
AIN-5V BIN-5V
198 200
7GE2-2
1JA0 T6TF4HFG
16
ARX-DDC-SDA
PACIFIC 3
3JA0
15
ARX-DDC-SCL
1JB0
16
BRX-DDC-SDA ERR
46
3JB0
BRX-DDC-SCL 15
2x HDMI
5 6 5 6 CONNECTOR
7JB1
7JA1
M24C02 M24C02
EEPROM EEPROM
PRO: IDIOM
SDA-SSB-MUX1
SCL-SSB-MUX1
T01A CHANNEL DECODER
T01B MAIN TUNER
1C01 1T12
SDA-SSB-MUX2 7 7 SDA-SSB-MUX2
SCL-SSB-MUX2 8 8 SCL-SSB-MUX2
1C00 1T13
PI-SDA 16 16 SDA-SSB SDA-SSB1
3C00
PI-SCL 15 15 SCL-SSB SCL-SSB1
E14 D14 70 69 23
7B01
7T18 7T57
LGDT1129 TDA10060HL TDA9898HL
PRO IDIOM DTV IF
RECEIVER PROCESSING
ERR ERR ERR
76 37 26
SPDIF DEBUG / RS232 INTERFACE
7JE2
ST3232C
RS232
INTERFACE
RXD 9 R2-OUT
TXD 10
T2-IN
3J12
8 RXD_PC RXD_PC
2
R2-IN
UART
3J11
7 TXD_PC TXD_PC SERVICE
3
T2-OUT
CONNECTOR
3JE1
12 R1-OUT
3JE0
11
T1-IN
UART
LEVEL ADAPTER
B09D FPGA 1080P: I/O BANKS B11H I2C ADDRESS = 4A (WRITE)
C1 C2 23 24
7F90 7AD1
EP2C5F256C7N SAA7113H
CYCLONE II VIDEO INPUT
FPGA 1080P PROCESSOR
ERR
28
B10B PACIFIC 3: DISPLAY-INTERFACING
+5V-ON
3F93
SDA-AMBI-3V3 7G61-2
E1
3F94
SCL-AMBI-3V3 7G61-1
E2
B12B IBOARD
+3V3
9G53
SDA-I2C4-DISP
9G54
SCL-I2C4-DISP
29 30
7222
42 SDA_I2C
UPSD3333D
48 SPI_CLK
MCU
ERR
5VA
75
7 6
RXD0
23
TXD0
1T04 24
TD1736F/FH
SDA1_iB
11
TUNER
SCL1_iB
10
24
ERR
34
5 6
5VA
7280
M24C32
EEPROM
4Kx8
B07C VIDEO EXTERNALS
1002-1
2 5002
RSRX
3 5003
RSTX
DDC-5V
1002-2
12 SDA_VGA
15 SCL_VGA
VGA
CONNECTOR
B09A SUPPLY
3B59 5B12
SDA-AMBI 3
TO AMBI-LIGHT
3B58 MODULE
SCL-AMBI 5B10 1
(OPTIONAL)
B10A PACIFIC 3: LVDS
1G50
3G25
1
LVDS
COONECTOR
3G24
2
TO DISPLAY
SI SYSTEM INTERFACE
1305
1240 1300
15
9 9 SDA_I2C
SMART CARD
EXPANSION SLOT
14
1 1 TVCLK_SCL
(OPTIONAL)
7270
12 13
11 14
7020
M24C02
EEPROM
5
6 256x8
I_17500_078.eps
080808