TranslateLichee Pi 4A
2023-03-31
Update history
| Date | Version | Author | Update content |
|---|---|---|---|
| 2023-03-31 | v0.1 | wonder |
|
Introduction
Lichee Pi 4A is the Risc-V linux development board using Lichee Module 4A core module, its main chip is TH1520, contains 4TOPS@int8 AI NPU, supports dual screen 4K resolution display and 4K mipi camera input, dual Gigabit Ethernets and Mutiple USB interfaces provides enough connections. And there is a Riscv C906 Core for audio decode.
Online store:Aliexpress
Parameters
| Main Chip | |
|---|---|
| Name | TH1520 |
| CPU | RISC-V 64GCV C910*4@2GHz · Each core contains 64KB I cache amd 64KB D Cache · Shared 1MB L2 Cache · Support TEE and REE, configered at core booting · Support multi-core debugging framework of custom and RISC-V compatible interface · Independent power domain, supports DVFS |
| GPU | · OpenCL 1.1/1.2/2.0 · OpenGL ES 3.0/3.1/3.2 · Vulkan 1.1/1.2 · Android NN HAL |
| NPU | Support 4TOPS@INT8, up to 1GHz · Support TensorFlow、ONNX、Caffe · Support CNN、RNN、DNN |
| Decode | Real-time decoder, support H.265/H.264/VP9/8/7/6/AVS/AVS+/AVS2.0/VC1/MPEG4 · Support H.264 BP/MP/HP@level 5.1 decoding, up to 4K resolution · Support H.265/HEVC Main Profile@level 5.1 decoding, up to 4K resolution · Support VP9 Profile-2 decoding, up to 4K resolution · Support AVS2.0 decoding, up to 4K resolution · Support VP6/7/8/AVS/AVS+/VC1/MPEG4 decoding, up to 1920x1080 resolution · Decoding at 4K@75fps maximum |
| Encode | · Support H.264 BP/MP/HP@level4.2 encoding, up to 4K resolution · Support H.265/HEVC Main Profile encoding, up to 4K resolution · Only support I-frame and P-frame · Encoding at 4K@40fps maximum |
| Hardware information | |
| RAM | · 8GB 64bits LPDDR4 · 16GB 64bits LPDDR4 |
| Storage | · eMMC: Optional Blank、 8G、 32G、 128G · Support TF card |
| Ethernet | · 2 x Gigabit Ethernets, POE optional |
| USB | · USB3.0 x 4 · USB2.0 x 1 (Burn firmware only) |
| Audio | · 1 x 3.5mm Stereo port · 1 x Speaker interface · 2 x onboard microphones |
| Display | · 1 x HDMI2.0 · 1 x 4-lane MIPI DSI |
| Camera | · 2 x 2-lane MIPI CSI · 1 x 4-lane MIPI CSI |
| GPIO | · UART · IIC · SPI |
Links
Specification / Datasheet
Schematic
BOM
Dimensional Drawing
3D Model