I2C Ic Overview - Philips LC4.6E AA Service Manual

Block Diagrams, Testpoint Overviews, and Waveforms

I2C IC Overview

I2C BUS INTERCONNECTION DIAGRAM
A2
HERCULES
+3V3STBY +3V3STBY
3096 3088
7011
109 SDA
SET
PROCESSOR
108 SCL
PART OF
VIDEO-
PROCESSER
(HERCULES)
+3.3V
3097
104 NVM_WP
+3V3STBY +3V3STBY
ERR
6
3085 3083
112 SW_I2C_SDA
113 SW_I2C_SCL
A16 PCHD-IO
VGA CONNECTOR
1687
3789 6692
5
9
15
3697
12 SDA_VGA
15 SCL_VGA
11 1
5
7693
M24C02
EEPROM
256x8
LC4.6E AA
A1
TUNER IF
ERR
6
F303
F302
3303 3302
5 6 5 4
7099 1302
M24C16 TUNER
EEPROM
7
(NVM)
COMPAIR
ERR ERR
9 10
N.C.
5691
DDC_5V
3696
3787
UART_RX
3786
UART_TX
6
6. 21
A3 A7
HISTOGRAM SCALER
+3V3STBY +3V3STBY
3429
14 11 N1
1301
7560 7401
1
TDA9178T GM1501
HISTOGRAM SCALER
2
For
3
ERR
only
15
SDA_DVI
N.C.
SCL_DVI
A11
FLASH/CONTROL
3428
+3V3STBY +3V3STBY
3433 3432
N2
SDA_IO
SCL_IO
ERR
4
5 6
+3V3STBY
7531
3531
M24C32
EEPROM
NVM_WPP
ERR
8
7530
M29W040B
ADDRESS
FLASH
ROM
512kx8
DATA
ERR
4
A10
SDRAM
7501
K4D263238M
ADDRESS
SDRAM
1Mx32x4
DATA
ERR
14
E_14710_013.eps
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