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| --- | ||
| title: LicheeRV Nano | ||
| keywords: riscv, licheerv,nano | ||
| --- | ||
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| ## Introduction | ||
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| The LicheeRV Nano is a mini-sized development board (measuring only 22.86*35.56mm), equipped with the SG2002 processor. It features a powerful core running at 1GHz (RISC-V/ARM options available) and a smaller core at 700MHz RISC-V, along with 256MB DDR3 memory, and an integrated 1Tops NPU. The board includes a wealth of interfaces such as MIPI-CSI, MIPI-DSI, SDIO, ETH, USB, SPI, UART, I2C, etc., allowing for the expansion of a wide variety of applications. Its through-hole/half-hole design facilitates easy mass production and soldering. | ||
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| ## Specifications | ||
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| | Item | Specification | | ||
| | ------------------- | ------------------------------------------------------------ | | ||
| | CPU | SOPHGO SG2002; <br>Major core: 1GHz RISC-V C906 / ARM A53 (selectable); <br>Minor core: 700MHz RISC-V C906;<br>Low-power core: 25～300M 8051 | | ||
| | NPU | 1TOPS INT8, supports BF16 | | ||
| | Memory | Integrated 2Gbit (256MByte) DDR3 | | ||
| | Storage | Bootable from either TF card / SD NAND (SD NAND pads under TF card slot) | | ||
| | Video Interface | Video Output: 2 lane MIPI DSI output, standard 31pin interface, supports 6pin capacitive touchscreen <br>Video Input: 4 lane MIPI CSI input, 22Pin interface, supports dual CSI split | | ||
| | Audio Interface | Audio Output: Onboard PA amplifier, can directly connect speakers under 1W <br>Audio Input: Onboard analog silicon microphone, capable of direct sound reception | | ||
| | Wired Connection | E suffix version supports 100M RJ45 connector | | ||
| | Wireless Connection | W suffix version supports 2.4G / 5.8G dual-band WiFi6 + BLE5.4 | | ||
| | USB | 1 x USB2.0 OTG Type-C | | ||
| | IO Interface | 2 x 14pin 2.54 pin headers, 800mil spacing, breadboard-friendly | | ||
| | Buttons | 1 x RST button + 1 x BOOT button | | ||
| | LEDs | 1 x Power LED, 1 x User LED | | ||
| | Operating System | Buildroot Linux / Debian | | ||
| | Dimensions | 22.86*35.56mm | | ||
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| ## Version Comparison | ||
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| | **Specification** | **Basic System** | **Microphone/Speaker** | **Ethernet** | **WiFi6/BT5** | | ||
| | :------------------: | :--------------: | :--------------------: | :----------: | :-----------: | | ||
| | **LicheeRV-Nano-B** | Yes | Yes | No | No | | ||
| | **LicheeRV-Nano-E** | Yes | Yes | Yes | No | | ||
| | **LicheeRV-Nano-W** | Yes | Yes | No | Yes | | ||
| | **LicheeRV-Nano-WE** | Yes | Yes | Yes | Yes | | ||
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| ## Hardware Resources | ||
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| Datasheets, schematic diagrams, dimension drawings, and more can be found here: [Click Here](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano) | ||
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| - [Board Specification](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/01_Specification) | ||
| - [Board Schematic](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/02_Schematic) | ||
| - [Board Designator Drawing](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/03_Designator_drawing) | ||
| - [Board Dimensional Drawing](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/04_Mechanical_drawing) | ||
| - [3D Model Files](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/06_3D_file) | ||
| - [Core Board Packaging](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/05_PCB_Lib) | ||
| - [Board Chip Information](http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano) | ||
| - http://cn.dl.sipeed.com/shareURL/LICHEE/LicheeRV_Nano/07_Datasheet) | ||
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| ## Software Resources | ||
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| - [SDK LicheeRV-Nano-Build](https://github.com/sipeed/LicheeRV-Nano-Build) | ||
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| ## SOPHGO Resources Summary | ||
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| - [Datasheet](https://github.com/sophgo/sophgo-doc/releases) | ||
| - [Compiler Toolchain Download](https://sophon-file.sophon.cn/sophon-prod-s3/drive/23/03/07/16/host-tools.tar.gz) | ||
| - [Software SDK Download](https://github.com/sophgo/cvi_mmf_sdk) | ||
| - [SDK Development Documentation Summary](https://developer.sophgo.com/thread/471.html) | ||
| - [HDK Development Documentation Summary](https://developer.sophgo.com/thread/472.html) | ||
| - [TPU SDK Development Resources Summary](https://developer.sophgo.com/thread/473.html) | ||
| - [TDL SDK Development Guide: (Provides common AI model algorithms, application packaging based on TPU SDK)](https://doc.sophgo.com/cvitek-develop-docs/master/docs_latest_release/CV180x_CV181x/zh/01.software/TPU/TDL_SDK_Software_Development_Guide/build/TDLSDKSoftwareDevelopmentGuide_zh.pdf) | ||
| - [TDL SDK Development Resources Summary](https://developer.sophgo.com/thread/473.html) | ||
| - https://developer.sophgo.com/thread/556.html) | ||
| - Precautions | ||
| - The beta version hardware (70405) NPU only supports operation at 0.5T, running at 1.0T does not guarantee the stability of the board. | ||
| - The WIFI of the beta version hardware (70405) has not been fully optimized yet, resulting in lower speeds. We appreciate your understanding. | ||
| - If purchasing a camera accessory or the WE version package, screws, soldering pillars, and a screwdriver are included in the package. To avoid burns during soldering, please refer to the [Camera & WE Ethernet Module Installation Guide](https://wiki.sipeed.com/hardware/zh/lichee/RV_Nano/2_unbox.html). | ||
| - If purchasing 3-inch, 4-inch, or 10.1-inch screen accessories, a screen adapter board and ribbon cable are included in the package. Please refer to the [Screen Installation Guide](https://wiki.sipeed.com/hardware/zh/lichee/RV_Nano/2_unbox.html) | ||
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| title: Unbox | ||
| keywords: riscv, licheerv,nano | ||
| --- | ||
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| ## LicheeRV Nano Package Introduction | ||
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| The LicheeRV Nano is available in four versions based on networking capabilities: | ||
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| - **Standard Version (B)**: Comes without any networking accessories. | ||
| - **Ethernet Version (E)**: Features an onboard 100M Ethernet port for wired network connections. | ||
| - **WiFi Version (W)**: Equipped with an onboard WiFi6/BT5.2 module. By default, the BT5.2 functionality is not enabled. To activate Bluetooth capabilities, it's necessary to solder four 0201 resistors in the specified location or use a 2B pencil to create a short circuit in the designated area. | ||
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| + The WiFi Ethernet (WE) version features an onboard WiFi 6/BT 5.2 module and comes with an Ethernet module that connects to the development board via standoffs and ribbon cables. | ||
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| We also offer the following accessory: | ||
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| - Camera | ||
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| + The camera (model 3754) features non-short-circuiting screw holes on both sides for secure mounting. It is recommended to fix the standoffs to the fifth pad for optimal stability. | ||
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| + 3-inch Display Screen | ||
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| - The display features a resolution of 480*845 and supports touch functionality. The package includes a touch screen adapter board and a ribbon cable for easy integration. | ||
| - 5-inch Display Screen | ||
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| - This display boasts a resolution of 480*845 and does not support touch functionality. The ribbon cable can be directly connected to the LicheeRV Nano 31Pin screen interface for seamless integration. | ||
| - 7-inch Display Screen | ||
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| - The display features a resolution of 800*1280 and supports touch functionality. The ribbon cable can be directly connected to both the LicheeRV Nano 31Pin screen interface and the 6Pin touch interface, ensuring easy setup and integration. | ||
| - 10-inch Display Screen | ||
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| ------ | ||
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| - The display features a resolution of 800*1280 and supports touch functionality. The package includes a touch adapter board and a ribbon cable for easy setup. The screen ribbon cable can be directly connected to the LicheeRV Nano 31Pin screen interface, ensuring seamless integration. | ||
| - Raspberry Pi Camera Adapter Ribbon Cable (Coming Soon) | ||
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| ------ | ||
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| - Raspberry Pi Standard 15Pin Camera to LicheeRV 22Pin CSI Camera Interface Adapter | ||
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| + 1. Installation Guide | ||
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| ### Installing the WE Module | ||
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| - Soldering the Ribbon Cable | ||
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| 1. Solder the ribbon cable following the direction shown in the diagram below. | ||
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| 2. Use a Multimeter to Test for Continuity | ||
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| ●Securing the Standoffs | ||
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| 1. To avoid burns while soldering the standoffs, you can first screw them onto the Ethernet module. | ||
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| 2.Insert the standoff into the fifth pad. It is advisable to apply solder paste to the pad beforehand to enhance the stability of the standoff after soldering. | ||
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| 3.Use a soldering iron from the bottom side to solder. | ||
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| + Assembly | ||
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| 1. Insert the ribbon cable into the FPC connector of the Ethernet module and secure it. | ||
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| 1. Secure the Ethernet module to the standoffs using screws. | ||
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| ### Installing the Camera | ||
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| - Securing the Standoffs | ||
| 1. Similar to the method mentioned above: first, screw the standoffs and screws onto the camera module. | ||
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| 2.Insert the standoff into the fifth pad. To enhance the stability of the standoff after soldering, it is recommended to apply solder paste to the pad beforehand. | ||
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| 3.Solder from the bottom side using a soldering iron. | ||
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| + Assembly | ||
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| 1. Connect the camera ribbon cable as shown in the diagram below. | ||
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| 2.Secure with screws. | ||
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| # Image Format | ||
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| The image is compressed using xz. After decompression, use tools like Rufus, Win32 Disk Imager, or dd to write it to an SD card. | ||
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| ## Images Based on the Official SDK | ||
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| [Download here](https://github.com/sipeed/LicheeRV-Nano-Build/releases) | ||
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| ## Images Based on the Mainline Buildroot SDK (WORK-IN-PROGRESS) | ||
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| [Download here](https://github.com/0x754C/sipeed-toolchain/releases) |
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| --- | ||
| title: Flashing image | ||
| keywords: riscv, licheerv,nano | ||
| --- | ||
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| # Image Format | ||
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| The image is compressed using xz. After decompression, use Rufus, Win32 Disk Imager, or dd to write it to an SD card. | ||
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| ## Linux | ||
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| ``` | ||
| curl -O https://github.com/sipeed/LicheeRV-Nano-Build/releases/download/20240124/licheervnano-20230124.img.xz | ||
| # Replace sdX with your SD card's device node | ||
| xzcat https://github.com/sipeed/LicheeRV-Nano-Build/releases/download/20240124/licheervnano-20230124.img.xz | dd of=/dev/sdX conv=sync | ||
| ``` | ||
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| ## Windows | ||
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| Use 7zip for extraction: | ||
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| https://www.7-zip.org/download.html | ||
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| Use Rufus or Win32 Disk Imager to write to the SD card: | ||
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| https://rufus.ie/ | ||
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| https://sourceforge.net/projects/win32diskimager/ |
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