Nezha D1 (slarm64, riscv64)

information board:

• https://rvboards.org/
• Specifications
• wiki
• buy
• allwinner wiki
• slarm64.org
• image_build_kit slarm64 (Slackware riscv64 unofficial port)

• SoC - Allwinner D1 single-core XuanTie C906 64-bit RISC-V processor @ 1.0 GHz with HiFi4 DSP, G2D 2D graphics accelerators
• Memory - 1GB DDR3 memory
• Storage - 256MB SPI NAND flash, MicroSD card slot
• Video
  Output - HDMI 1.4 port up to 4Kp30, MIPI DSI & touch panel interface up to 1080p60
  Decoding - H.265 up to 1080p60 or 4Kp30, H.264 up to 1080p60 or 4Kp24, MPEG-1/2/4, JPEG, VC1 up to 1080p60
  Encoding - JPEG/MJPEG up to 1080p60
• Audio - 3.5mm audio jack, digital audio output via HDMI, a connector for microphone board
• Connectivity - Gigabit Ethernet via RTL8211F PHY, 2.4GHz WiFi 4 & Bluetooth module via XR829 module
• USB - 1x USB 2.0 host port, 1x USB Type-C OTG portport
• Expansion - 40-pin GPIO connector
• Debugging - 4-pin UART header, USB ADB debugging supported
• Misc - Power LED, tri-color user LED, OK & FEL buttons
• Power Supply - 5V/2A via one of the two USB-C ports
• Dimensions - 85 x 56 mm (6-layer PCB)

Allwinner D1 specifications:

• CPU - Alibaba XuanTie C906 64bit RISC-V core with 32 KB I-cache + 32 KB D-cache
• DSP - HiFi4 DSP 600MH with 32 KB I-cache + 32 KB D-cache, 64 KB I-ram + 64 KB D-ram
• Memory I/F - Up to 2GB DDR2/DDR3
• Storage I/F - SD3.0, eMMC 5.0, SPI Nor/Nand Flash
• Video Engine
• Video decoding
  H.265 up to 1080p@60fps, or 4K@30fps
  H.264 up to 1080p@60fps, or 4K@24fps
  MPEG-1/2/4, JPEG, VC1 up to 1080p@60fps
• Video encoding - JPEG/MJPEG up to 1080p@60fps
  Supports input picture scaler up/down
• Video OUT
  RGB LCD output interface up to 1920 x 1080@60fps
  Dual link LVDS interface up to 1920 x 1080@60fps
  4-lane MIPI DSI interface up to 1920 x 1080@60fps
  HDMI V1.4 output interface up to 4K@30fps
  CVBS OUT interface, supporting NTSC and PAL format
• Video IN
  8-bit parallel CSI interface
  CVBS IN interface, supporting NTSC and PAL format
• Audio
  2x DAC's and 3x ADC's
  Analog audio interfaces - MICIN1P/N, MICIN2P/N, MICIN3P/N, FMINL/R, LINEINL/R, LINEOUTLP/N, LINEOUTRP/N, HPOUTL/R
  Digital audio interfaces - I2S/PCM, DMIC, OWA IN/OUT
• Networking - 10/100/1000M EMAC with RMII and RGMII interfaces
• USB - USB2.0 OTG, USB2.0 Host
• Other peripherals
  SDIO 3.0, SPI x 2, UART x 6, TWI x 4
  PWM (8-ch), GPADC (2-ch), LRADC (1-ch), TPADC (4-ch), IR TX&RX
• Package - LFBGA BGA13*13/0.35/0.65mm,337 PINS
• Manufacturing process - 22nm

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