Allwinner D1 RISC-V64 Development Board Dongshan Neza STU

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.

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Allwinner D1 Block Diagram

Board Specification

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

Software Development

SDK

Document

Schematic

SDK Manual

Support

Package