Dongshan Nezha STU is a single RISC-V64 core development board with Allwinner D1 chip and 512MB DDR3. It has 1000M Ethernet, USB OTG, HDMI and 40 pins SODIMM interface. A USB Type-C is used to power and debug the board. The storage is Micro SD card, the option is 2Gbit serial NAND flash.
Allwinner D1 Block Diagram
Nezha STU Core SoM
SoC – Allwinner D1 single-core XuanTie C906 64-bit RISC-V processor @ 1.0 GHz with HiFi4 DSP, G2D 2D graphics accelerators
- SoC – Allwinner D1 single-core XuanTie C906 64-bit RISC-V processor @ 1.0 GHz with HiFi4 DSP, G2D 2D graphics accelerators
Memory – 512MB DDR3 memory
- Memory – 512MB DDR3 memory
Storage – MicroSD card slot, 2Gbit serial NAND flash (MX35LF1GE4AB);
- Storage – MicroSD card slot, 2Gbit serial NAND flash (MX35LF1GE4AB);
Video – HDMI port up to 1080p60
- Video – HDMI port up to 1080p60
Networking – Low-profile Gigabit Ethernet RJ45 port
- Networking – Low-profile Gigabit Ethernet RJ45 port
USB – 1x USB Type-C OTG port, 1x USB Type-C port for debugging via CP2104
- USB – 1x USB Type-C OTG port, 1x USB Type-C port for debugging via CP2104
Host connector – 260-pin SO-DIMM edge connector with all I/Os
- Host connector – 260-pin SO-DIMM edge connector with all I/Os
Misc – Power and user LEDs, Reset and FEL buttons
- Misc – Power and user LEDs, Reset and FEL buttons
Power Supply – 5V via USB-C OTG port
- Power Supply – 5V via USB-C OTG port
Dimensions – 70x70mm
- Dimensions – 70x70mm
- Nezha STU Core SoMSoC – Allwinner D1 single-core XuanTie C906 64-bit RISC-V processor @ 1.0 GHz with HiFi4 DSP, G2D 2D graphics acceleratorsMemory – 512MB DDR3 memoryStorage – MicroSD card slot, 2Gbit serial NAND flash (MX35LF1GE4AB);Video – HDMI port up to 1080p60Networking – Low-profile Gigabit Ethernet RJ45 portUSB – 1x USB Type-C OTG port, 1x USB Type-C port for debugging via CP2104Host connector – 260-pin SO-DIMM edge connector with all I/OsMisc – Power and user LEDs, Reset and FEL buttonsPower Supply – 5V via USB-C OTG portDimensions – 70x70mm
Carrier board
Expansion – 3x 40-pin header for GPIOs (3.3V)
- Expansion – 3x 40-pin header for GPIOs (3.3V)
Supply voltage – 5V
- Supply voltage – 5V
Dimensions – TBD
- Dimensions – TBD
- Carrier boardExpansion – 3x 40-pin header for GPIOs (3.3V)Supply voltage – 5VDimensions – TBD
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