Skyworth 42E68 - Page 38

IC Block Diagram
-16-
U19(HDMI SWITCH) PS331TQFP64G
SiI9185 Pin Mapping
POW2
HPD2
SDA2
SCL2
GND
B21 A21
VCC
B22 A22
GND
B23 A23
VCC
B24 A24
POW1
HPD1
HPD_SINK SDA_SINK SCL_SINK
NC
Z1
Y1
Z2
Y2 Z3 Y3
VCC
Z4 Y4
GND
I2C_ADDR SCL_CTL SDA_CTL
A34
B34
VCC
A33
B33
A32
B32
A31
B31
GND
SCL3
SDA3
HPD3
POW3
CEXT
I2C_RST
SDA1
SCL1
B11
A11
B12
A12
B13
A13
B14
A14
REXT
POWDN
1
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
17
18
19
20
50
49
48 47
46
45 44 43 42 41
60
59
58
57
56
55
54
53
52
51
21
22
23
24
25
26
27
28
29
30
31
32
3334353637383940
64
63
62
61
POW_SINK
PS331