USB-C HDMI 2.0 Alt Mode carries HDMI 2.0 video over USB-C using an active adapter chip in the cable. Supports 4K/60Hz, HDR, and 32-channel audio without a separate HDMI cable.
| Pin | Name | Function | Type |
|---|---|---|---|
| A2 | TX1+ | HDMI TMDS data 0+ | BUS |
| A3 | TX1- | HDMI TMDS data 0- | BUS |
| A10 | RX2- | HDMI TMDS data 1- | BUS |
| A11 | RX2+ | HDMI TMDS data 1+ | BUS |
| B2 | TX2+ | HDMI TMDS data 2+ | BUS |
| B3 | TX2- | HDMI TMDS data 2- | BUS |
| B10 | RX1- | HDMI TMDS clock- | BUS |
| B11 | RX1+ | HDMI TMDS clock+ | BUS |
| A8 | SBU1 | HDMI CEC signal | BUS |
| B8 | SBU2 | HDMI hot plug detect | I/O |
| A4 | VBUS | Power | PWR |
USB-C HDMI 2.0 Alt Mode carries HDMI 2.0 video over USB-C using an active adapter chip in the cable. Supports 4K/60Hz, HDR, and 32-channel audio without a separate HDMI cable.