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3. Input / Output Specification
HDMI Digital Connector Pin Assignments
HDMI1 HDMI2
PIN No. Signal PIN No. Signal
1 TMDS Data2+ 1 TMDS Data2+
2 TMDS Data2 shield 2 TMDSData2 shield
3 TDMS Data2- 3 TDMS Data2-
4 TMDS Data1+ 4 TMDS Data1+
5 TMDS Data1 shield 5 TMDS Data1 shield
6 TMDS Data1- 6 TMDS Data1-
7 TMDS Data0+ 7 TMDS Data0+
8 TMDS Data0 shield 8 TMDS Data0 shield
9 TMDS Data0- 9 TMDS Data0-
10 TMDS Clock+ 10 TMDS Clock+
11 TMDS Clock Shield 11 TMDS Clock Shield
12 TMDS Clock- 12 TMDS Clock-
13 CEC 13 CEC
14 ARC 14 NC
15 SCL 15 SCL
16 SDA 16 SDA
17 DDC_ Ground 17 DDC_ Ground
18 +5V Power 18 +5V Power
19 Hot Plug Detect 19 Hot Plug Detect
20 SHLD_GND1 20 SHLD_GND1
21 SHLD_GND2 21 SHLD_GND2