Block Diagrams, Testpoint Overviews, and Waveforms
19
6.
I2C IC Overview
E_14720_004.eps
020904
6692
5691
3787
DDC_5
V
3789
3786
A2
HERCULES
I2C BUS INTERCONNECTION DIAGRAM
1301
1
2
3
7011
SET
PROCESSOR
PART OF
V
IDEO-
PROCESSER
(HERCULES)
ERR
6
7099
M24C16
EEPROM
(N
V
M)
ERR
9
ERR
10
3096
3088
+3
V
3STBY +3
V
3STBY
3429
3428
+3
V
3STBY +3
V
3STBY
3433
3432
+3
V
3STBY +3
V
3STBY
3097
+3.3
V
SDA
SCL
N
V
M_
W
P
S
W
_I2C_SDA
N.C.
S
W
_I2C_SCL
108
104
109
3085
3083
+3
V
3STBY +3
V
3STBY
113
112
5
6
7693
M24C02
EEPROM
256x8
5
6
7560
TDA9178T
HISTOGRAM
ERR
15
14
11
7531
M24C32
EEPROM
ERR
8
7530
M29
W
040B
FLASH
ROM
512kx8
ERR
4
7501
K4D263238M
SDRAM
1Mx32x4
ERR
14
3531
+3
V
3STBY
5
6
7
A1
TUNER IF
A3
7401
GM1501
SCALER
ERR
4
ERR
6
N1
N2
P3
P4
HISTOGRAM
A7
SCALER
A11
FLASH/CONTROL
SCALER INTERFACE
A10
SDRAM
1302
TUNER
3302
3303
5
4
For
COMPAIR
only
V
GA CONNECTOR
PCHD-IO
A16
SDA_IO
SCL_IO
N
V
M_
W
PP
ADDRESS
DATA
ADDRESS
DATA
UART_RX
UART_TX
SDA_
V
GA
SCL_
V
GA
SDA_D
V
I
SCL_D
V
I
1687
9
15
12
1
5
11
15
F303
F302
3697
3696
N.C.
31
1450
30
29
L
V
DS
CONN.
A9
7872
PCA9515DP
3
2
6
7
SDA_DMA_BUS1_DISP
SCL_DMA_BUS1_DISP
PLASMA
DISPLAY
3871
3870