I2C Overview - Philips LC7.1HE LA Service Manual

Block Diagrams, Test Point Overviews, and Waveforms

I2C Overview

I²C
B04A MICROPROCESSOR
3382
28
IIC_SDA_up
SDA2
3378
27
IIC_SCL_up
SCL2
ERR
7311
04
M30300SAGP
7310
M29W800DT
MICRO
PROCESSOR
EPROM
AD(0-7)
1Mx8
512Kx16
A(0-19)
3354
33 BOLT_ON_SDA
TXD0
3356
34 BOLT_ON_SCL
RXD0
LC7.1HE LA 6.
B06C HDMI
+3V3_STBY +3V3_SW
7321
7320
5 6
1810
7315
1314
16
M24C64
3343
1
15
EEPROM
3345
2
(NVM)
1811
3
16
ERR
06 15
COMPAIR
SERVICE
CONNECTOR
2x HDMI
CONNECTOR
B04B VIDEO PROCESSOR
+3V3_STBY
3247
27
3246
29
ONLY FOR LCD
(LVDS CONNECTOR)
HC02 IBOARD
+3.3V
1312 1205
3 BOLT_ON_SDA
3
2 BOLT_ON_SCL
2
29 30
1204
7209
1 TXD1
37
UPSD3333D
2
UART 3 RXD1
36
MCU
CONN.
4
BOLTON_RST 41
5 BOLTON_PWR
52
ERR
18
38
IIC_SDA
IIC_SCL
+5V_SW +5V_SW +3V3_SW
27 28
7817
7851-7852
DOC_SDAA 31
SII9025CTU
DOC_SCLA 32
HDMI
CONTROL
7812-7813
DOC_SDAB
29
ERR
DOC_SCLB 11
30
5 6 5 6
7850 7811
M24C02 M24C02
+3V3_SW
EEPROM EEPROM
HC01 IBOARD
DDC_5V
7101
M24C02
5
EEPROM 6
256x8
7107
ST202ECDR
TXD0
RS232
RXD0
7205
7206
LEDIN_CLK_TXD_SCL1
IR-IN_DTA_IN_RXD_SDA1
CONTROL
42 SDA3
LEDIN_CLK_TXD_SCL1
TXD0
24
+5VA
23 RXD0
3203
11 SDA1
3219
2 SCL1
5 6
7214
M24C32
EEPROM
4Kx8
B04C AUDIO PROCESSOR B04B VIDEOPROCESSOR
7204
3 2 IS42S16400B 58 57
DRAM
7411 7202
1Mx16x4
MSP4450P SVP CX32-LF
ERR
10
SOUND VIDEO
PROCESSOR PROCESSOR
7205
IS42S16400B
DRAM
ERR ERR
09 05
1Mx16x4
ERR
14
1101
SDA_VGA 12
SCL_VGA 15
VGA
CONNECTOR
1107
TXD232 5
SI SYSTEM INTERFACE
6
RXD232
RJ45
1202
1
2
RJ12
1207 1300
SDA3_IR_OUT
9 9
3311
1 1
TVCLK_SCL
1208
2
LCD CLOCK
(OPTIONAL)
3
B03A TUNER IF & DEMODULATOR
10 11 5 4
7113 1101
TDA9886T/V4
UV1318S/A
DEMODULATOR TUNER
ERR ERR
08 07
1305
SDA_I2C 15
SCL_I2C 14
INTEGRATED
CARD SLOT
7
H_17151_007.eps
(OPTIONAL)
091007