I2C Overview - Philips 32PF9968/10 Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

I2C Overview

I²C
B2
HERCULES
+3V3STBY
7217
TDA15011H
109 SDA
108 SCL
ERR
HERCULES 6
5 6
SET
+3V3STBY
PROCESSOR
7207
M24C16
EEPROM
104 NVM_WP_HERC
7
NVM
ERR
9
B6
DC-DC CONVERTER
7758
+3V3STBY
3759
7756
122
B23
DMMI
+3V3STBY
112 SW_I2C_SDA
SW_I2C_SCL
113
LC4.8L LA 6.
B8 B1
SCALER TUNER & IF
+3V3STBY
N1 N2
5
7801 1102
GM1501-LF UV1338/A
SCALER TUNER
ERR
ERR
4 10
B7
SCALER
M1 UART_TX
M2 UART_RX
+3V3SW
+3V3SW B11
FLASH / CONTROL
P3
P4
AF5 NVM_WP_SCALER 7
MX29LV040
ADDRESS
OCMADDR
DATA OCMDATA
+3V3_IO
1
2
JTAG_TDI_SDA
AF7
JTAG_CLK_SCL
AD6
Reserved
for DMMI
JTAG
I2C
ADDRESS FSADDR
DATA FSDATA
22
B19 B18
COLUMBUS
7221
4 A15 B15
7M00
1101
+3V3SW
T6TU5XBG
SDA 1
2 COLUMBUS
SCL
CTRL
3
+3V3STBY
ERR
SERVICE
11
CONNECTOR
COMPAIR
1107
3122
1
2
3123
3
SERVICE
CONNECTOR
UART
B12
HDMI
SDA_IO
SCL_IO
+3V3SW
5 6
75 74
7C01
M24C32
76
7D03
SII9993CTG
EEPROM
77
ERR HDMI
8
PANELLINK
RECEIVER
ERR
13
7C00
ERROM
B10 B9
SDRAM SCALER INTERFACE
7A00
2
PCA9515ADP
1
3
2
7B01
K4D263238I
SDRAM
ERR
14
4A01
4A00
ADC
7220
57 56
7L04
MST9883C
ANALOG
INTERFACE
ERR
07
B22 B20
DIGITAL IO
4N21
4N22
1F02
3D03
16
DOC_SDAA
7D01
3D04
DOC_SCLA 15
7D02
5 6
7D00
HDMI
M24C02
CONNECTOR
EEPROM
+3V3SW
256x8 1F02
12
15
7Q25 SDA_VGA
5
M24C02
6 SCL_VGA
EEPROM
VGA
256x8
CONNECTOR
B21
SDA_DMA_BUS1_DISP
6
7 SDA_DMA_BUS1_DISP
RES
FOR PDP ONLY
(Depending on screen manufacturer)
EPLD
SDA_PF3
SCL_PF3
+3V3SW
1N02
T2 R2
1
7N02 SDA 2
EP1C12F256C8N
4
SCL
3
EPLD
PIXEL+
PROCESSOR
FOR
DEVELOPMENT
USE ONLY (N.S.)
ERR
16
(Only For 37" - 42" Sets)
EPLD
1P07
31
30
TO
DISPLAY
H_16980_061.eps
210207