Micro HDMI is the smallest HDMI connector, found on Raspberry Pi 4, smartphones, action cameras like GoPro HERO3+, and ultrabooks. Same 19-pin signal set, 6.4mm wide body.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | TMDS Data0- | TMDS data 0 negative | BUS |
| 2 | TMDS Data0+ | TMDS data 0 positive | BUS |
| 3 | TMDS Data0 Shield | Data 0 shield | GND |
| 4 | TMDS Data1- | TMDS data 1 negative | BUS |
| 5 | TMDS Data1+ | TMDS data 1 positive | BUS |
| 6 | TMDS Data1 Shield | Data 1 shield | GND |
| 7 | TMDS Data2- | TMDS data 2 negative | BUS |
| 8 | TMDS Data2+ | TMDS data 2 positive | BUS |
| 9 | TMDS Data2 Shield | Data 2 shield | GND |
| 10 | TMDS Clock- | TMDS clock negative | BUS |
| 11 | TMDS Clock+ | TMDS clock positive | BUS |
| 12 | TMDS Clock Shield | Clock shield | GND |
| 13 | CEC | Consumer Electronics Control | BUS |
| 14 | Reserved | Reserved | I/O |
| 15 | SCL | DDC clock | BUS |
| 16 | SDA | DDC data | BUS |
| 17 | DDC/CEC Ground | Ground | GND |
| 18 | +5V | 5V power | PWR |
| 19 | Hot Plug Detect | Hot plug detect | I/O |