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boards:longan [2020/10/12 10:38] – created darronboards:longan [2022/11/25 13:19] (current) – [Longan Nano] darron
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 +==== Longan Nano =====
 +<wrap right>
 +{{:boards:longan.jpg?200}}
 +</wrap>
 +
 +Sipeed Longan Nano - RISC-V GD32VF103CBT6 Development Board
 +
 +Official board
 +
 +https://www.gigadevice.com/microcontroller/gd32vf103c8t6/
 +<code>
 +Specifications
 +Speed and Memory
 +Maximum Speed Up to 108MHz
 +Flash Memory 64K
 +RAM 20K
 +PSRAM -
 +Connectivity  
 +USART 3 LCD -
 +UART - LCD TFT -
 +I2C 2 Camera -
 +SPI 3 Ethernet -
 +CAN 2 Crypto -
 +USB OTG SDRAM -
 +I2S 2 TMU -
 +SDIO - SHRTM -
 +Analog Interface
 +12bit ADC Units 2
 +12bit ADC Channels 10
 +12bit DAC Units 2
 +Packages
 +LQFP48
 +</code>
 +
 +Unknown board AKA Nano LITE
 +
 +https://www.gigadevice.com/microcontroller/gd32vf103cbt6/
 +<code>
 +Specifications
 +Speed and Memory
 +Maximum Speed Up to 108MHz
 +Flash Memory 128K
 +RAM 32K
 +PSRAM -
 +Connectivity  
 +USART 3 LCD -
 +UART - LCD TFT -
 +I2C 2 Camera -
 +SPI 3 Ethernet -
 +CAN 2 Crypto -
 +USB OTG SDRAM -
 +I2S 2 TMU -
 +SDIO - SHRTM -
 +Analog Interface
 +12bit ADC Units 2
 +12bit ADC Channels 10
 +12bit DAC Units 2
 +Packages
 +LQFP48
 +</code>
 +
 +
 +
 +TODO
 +
 +DFU MODE
 +<code>
 +1. press boot
 +2. press reset
 +3. release reset
 +4. release boot
 +</code>
 +
 +<code>
 +BOOT + RESET
 +
 dmesg dmesg
  
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 Found DFU: [28e9:0189] ver=0100, devnum=45, cfg=1, intf=0, path="1-1.2", alt=0, name="@Internal Flash  /0x08000000/128*001Kg", serial="??" Found DFU: [28e9:0189] ver=0100, devnum=45, cfg=1, intf=0, path="1-1.2", alt=0, name="@Internal Flash  /0x08000000/128*001Kg", serial="??"
 +dfu-util 0.9
 +
 +OLD:
 +
 +Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
 +Copyright 2010-2016 Tormod Volden and Stefan Schmidt
 +This program is Free Software and has ABSOLUTELY NO WARRANTY
 +Please report bugs to http://sourceforge.net/p/dfu-util/tickets/
 +
 +
  
  
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 git clone https://git.code.sf.net/p/dfu-util/dfu-util dfu-util git clone https://git.code.sf.net/p/dfu-util/dfu-util dfu-util
 +
 +NEW:
 +Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
 +Copyright 2010-2020 Tormod Volden and Stefan Schmidt
 +This program is Free Software and has ABSOLUTELY NO WARRANTY
 +Please report bugs to http://sourceforge.net/p/dfu-util/tickets/
  
 Found DFU: [28e9:0189] ver=0100, devnum=45, cfg=1, intf=0, path="1-1.2", alt=0, name="@Internal Flash  /0x08000000/128*001Kg", serial="3CBJ" Found DFU: [28e9:0189] ver=0100, devnum=45, cfg=1, intf=0, path="1-1.2", alt=0, name="@Internal Flash  /0x08000000/128*001Kg", serial="3CBJ"
  
 +</code>
 +
 +===Resources===
 +
 +[[https://gd32mcu.com/data/documents/datasheet/GD32VF103_Datasheet_Rev1.6.pdf|MCU datasheet]]