Radxa ROCK 3C User Manual
form factor hardware. The maximum eMMC size supported is 128GB.
5.3 Camera and Display Interfaces
Radxa ROCK 3C has 1x 2‑lane MIPI CSI camera connector and 1x 2‑lane MIPI DSI display
connector. These connectors are backwards compatible with standard industrial camera
and display peripherals.
5.4 USB
Radxa ROCK 3C has two USB2 HOST connectors, one USB3 HOST connector and one USB2
OTG/HOST connector. The board has a hardware switch to set the USB2 operation to ei‑
ther HOST or OTG. The power output across these ports is 2.8A in aggregate over the four
connectors.
5.5 HDMI
Radxa ROCK 3C has one HDMI port supporting CEC and HDMI 2.0 with resolutions up to
1080P@60fps.
5.6 Audio Jack
The ROCK 3C supports near‑CD‑quality analogue audio output via a 4‑ring 3.5mm head‑
phone jack. The HD codec supports up to 24 bit at 96Hz. The analog audio output can drive
32 Ohm headphones directly. The headphone jack also supports a mic line input.
5.7 M.2 Connector
Radxa ROCK 3C offers a M.2 M‑Key 2230 connector with PCIe 2.1 1‑lane and SATA 3.0 combo
interfaces, providing high speed storage access. The M.2 M‑Key can be configured either
to support NVMe SSD or SATA devices, an additional adapter board is required for SATA
support.
Radxa Computer
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