LicheePi Module 4A

Update history
Date Version Author Update content
2023-03-31 v0.1 wonder
  • Create file


LicheePi Module 4A is the Core Module using the T-Head RISC-V TH1520 SOC, containing 4 Risc-V C910 cores and 4TOPS@int8 AI NPU inside, supports 16GB LPDDR4X ram and 128GB eMMC storage, supports double gigabit Ethernet and maximum 4K resolution video output. The core also contains an additional C906 processor for audio processing. Because of the SODIMM style package, the LicheePi Module 4A can be used in various scenarios and is suitable for various types of baseboards.


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
· 0G
· 8G
· 32G
· 128G
Ethernet Gigabit PHY x 2

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