Board Introduction

Update history
Date Version Author Update content
2023-12-08 v1.0 ztd
  • Release docs

Board Introduction

Longan Pi 3H is an ARM Linux development board based on the Longan Module 3H core board. It is powered by the H618 (Quad-core ARM Cortex-A53 @ 1.5GHz, 64-bit) as the main control core and has a maximum onboard 4GB 64-bit LPDDR4 memory. It supports HDMI 4K display output and features a Gigabit Ethernet port. Additionally, it comes with onboard Wi-Fi 6 and Bluetooth capabilities.

Basic Specifications

Main Chip H618
CPU ARM Cortex-A53@1.5Ghz
· Each core supports a 32 KB L1 I-cache and a 32 KB L1 D-cache.
· The quad-core configuration shares a 1MB L2 cache.
GPU Arm Mali-G31
· OpenCL 2.0
· OpenGL ES 1.0/2.0/3.2
· Vulkan 1.1
Video Decoder · Supports H.264 BP/MP/HP@L4.2 decoding, with a maximum resolution of 4K
· Supports AVS2 JiZhun 10-bit decoding, with a maximum resolution of 4K
· The maximum decoding performance is 4K@60fps
Video Encoder · Supports H.264 BP/MP/HP encoding, with a maximum resolution of 4K
· Only supports I-frames and P-frames for video encoding
· The maximum encoding performance is 4K@25fps
Hardware Specifications
RAM · 1/2/4 GB 64bits LPDDR4
Storage · eMMC: empty/32G
· Supports TF (microSD) card
Ethernet · Gigabit Ethernet interface
USB · 2 x USBA Host
· 1 x USBC OTG
Display Interface · 1 x Standard HDMI interface

Hardware Documentation Download

LonganPi3H Hardware Documentation