HDMI
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| pin | signal | notes | connector |
|---|---|---|---|
| 1 | TMDS Data2+ | 
| |
| 2 | TMDS Data2 Shield | ||
| 3 | TMDS Data2− | ||
| 4 | TMDS Data1+ | ||
| 5 | TMDS Data1 Shield | ||
| 6 | TMDS Data1− | ||
| 7 | TMDS Data0+ | ||
| 8 | TMDS Data0 Shield | ||
| 9 | TMDS Data0− | ||
| 10 | TMDS Clock+ | ||
| 11 | TMDS Clock Shield | ||
| 12 | TMDS Clock− | ||
| 13 | CEC | ||
| 14 | Reserved (HDMI 1.0–1.3c), HEC Data− (Optional, HDMI 1.4+ with Ethernet) | ||
| 15 | SCL (I²C Serial Clock for DDC | ||
| 16 | SDA (I²C Serial Data Line for DDC) | ||
| 17 | DDC/CEC/HEC Ground | ||
| 18 | +5 V (max 50 mA) | ||
| 19 | Hot Plug detect (all versions) and HEC Data+ (optional, HDMI 1.4+ with Ethernet) |
Note: Category 2 (High Speed HDMI Cable) is required for 1080p, 4K, 3D and deep color support
External reference:
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