
Block Diagrams, Testpoint Overviews, and Waveforms
EN 21
LC4.1U AA
6.
I2C IC Overview
E_14520_031.eps
240904
DDC_VGA_5V
3469
3084
3083
3470
A2
HERCULES
I2C BUS INTERCONNECTION DIAGRAM
1331
ComPair
CONNECTION
FOR SERVICE
1
2
3
7011
SET
PROCESSOR
PART OF
VIDEO-
PROCESSER
(HERCULES)
ERR
6
7099
M24C16
EEPROM
(NVM)
ERR
9
ERR
10
3096
3088
+3V3STBY
3401
+3V3STBY
+3V3STBY
+3V3STBY
JTAG_SDA_UART_TX
JTAG_SCL_UART_RX
+3V3STBY
3402
+3V3STBY
3433
3414
3431
+3V3STBY
3444
+3V3STBY
+3V3STBY
3097
+3.3VSTBY
SDA
SCL
NVM_WP
108
104
109
5
6
7402
M24C32
EEPROM
ERR
8
7403
M29W040B
FLASH
ROM
512kx8
ERR
4
5
6
7
A1
TUNER IF
7401
GM5221
SCALER
ERR
4
ERR
6
78
77
A7
SCALER
(LVDS)
A6
SCALER
ANA IN
1302
UR1316
TUNER
3302
1111
1401
1
2
3
1
2
3
4
4
3303
5
4
D_SUB
VGA CONNECTOR
SCALER-IO
(OPTIONAL)
A8
SIDE AV
(UART PART)
D
SDA_IO
SCL_IO
93
92
84
7
NVM_WPP
ADDRESS
DATA
SDA_VGA
VGA_5V
SCL_VGA
1687
9
15
12
1
5
11
15
F303
F302
+5VSW
7462
M24C02
EEPROM
256x8
5
6
3484
3483
3463
3464
SDA
SCL
3430
ROM
INTER
FACE
72
71
3442
3123
6109
6110
6109
6110
1112
1
2
3
3124
3441
6460
PC_DET
UART
FOR
SERVICE
A7