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The Sipeed Longan Pi3H: A Compact Board with Gigabit Ethernet, WiFi 6, HDMI, and USB

Sipeed has introduced the Longan Pi3H, a single board computer (SBC) that is similar in size to the Raspberry Pi Zero. Powered by an Allwinner H618 quad-core Cortex-A53 processor, the board features full-size connectors including an HDMI 2.0 video output, two USB 2.0 Type-A ports, and a gigabit Ethernet RJ45 jack. It also offers WiFi 6 and Bluetooth 5.4 connectivity, a 40-pin GPIO header, and a USB OTG Type-C port for power. The board is composed of a carrier board and a replaceable LM3H CPU module with the Allwinner H618 SoC, RAM, and eMMC flash.

The Sipeed Longan Pi3H specifications include:

  • SoC – Allwinner H618 with a quad-core Arm Cortex-A53 processor, up to 1.5GHz, and 1MB L2 cache
  • GPU – Arm Mali-G31 MP2 GPU with support for OpenGL ES 1.0/2.0/3.2, OpenCL 2.0, Vulkan 1.1
  • VPU with support for various video formats
  • System Memory – 2GB or 4GB LPDDR4
  • Storage options include a microSD card slot and optional 32GB eMMC flash
  • Video & Audio Output – HDMI 2.0a up to 4Kp60
  • Networking features a gigabit Ethernet RJ45 port and dual-band WiFi 6 and Bluetooth 5.4 with a ceramic antenna
  • USB ports include 2x USB 2.0 Type-A ports and 1x USB 2.0 OTG Type-C port
  • Expansion options include a 40-pin Raspberry Pi-compatible GPIO header with I2C, SPI, UART, and a variety of GPIOs
  • Debugging features a 4-pin debug UART (3.3V)
  • Additional features include FEL and Reset buttons, 2x user LEDs
  • Power supply options include 5V via USB Type-C port or 4-pin Debug UART header
  • Dimensions: SBC – 65 x 30.8 x 23.6 mm, LM3H module – 46.1 x 25 x 2.9mm

Mainline Linux support for the board is expected to be merged in Q1 2024. While the documentation page is not currently working, hardware documentation such as schematics and mechanical drawings are available.

Pre-orders for the Sipeed Longan Pi3H are available on Aliexpress, with prices ranging from $17.90 for the 2GB RAM variant (without eMMC flash) to $34.90 for the 4GB RAM variant with 32GB eMMC flash. Shipping is expected to start on February 11, and the product will be available for European customers in a few days.

Source: CNX Software – Embedded Systems News.