MarsBoard A20, mini PC
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Description of product

The MarsBoard A20 is a flexible Designed development board powered by the Allwinner dual core processor A20 combining a power dual core ARM Cortex A7 CPU and dual core Mali-400 GPU.

The MarsBoard A20 consists of a base board and and a CPU module, comes with various interfaces like VGA, HDMI, LCD, CTP, Audio input/output, CAMERA, 10/100M Ethernet, SATA, USB-OTG, TV-In/Out, WiFi, and 4 USB HOST.

Features :

  1. VGA connector
  2. Audio output
  3. Audio input
  4. Microphone (not soldered)
  5. USB OTG
  6. Power indicator
  7. USB WIFI module: RTL8188EU
  8. USB WIFI onboard antenna
  9. Micro USB DEBUG
  10. CP2102 chip
  11. Expansion IO header
  12. CM-A20 CPU module connector
  13. IR receiver (not soldered)
  14. Battery holder
  15. CSI header
  16. FE1.1S USB HUB chip
  17. POWER key
  18. Power jack: 5V/2A
  19. 10/100M Ethernet RJ45 connector
  20. USB HOST
  21. HDMI A Type interface
  22. Micro SD card (TF card) slot
  23. SATA interface
  24. Video input
  25. Video output
  26. User keys
  27. LCD interface (bottom side)

Base Board Features

What's on the CM-A20

CM-A20 on board resource

  1. Allwinner A20
    • CPU: ARM® Cortex™-A7 Dual-Core
    • GPU: ARM Mali400MP2, OpenGL ES 2.0/1.1
  2. 1GB DDR3
  3. 8GB Nand Flash
  4. Power management: AXP209
  5. UART debugging LED
  6. Power indicator
  7. 10/100M Ethernet PHY: LAN8710A
  8. J3 expansion: 20x2 pin 1.27mm
  9. J1 expansion: 50x2 pin 1.27mm
  10. J2 expansion: 50x2 pin 1.27mm