Overview

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.

What's on the Base Board

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)

What's on the CM-A20

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

Photos

CPU Module CM-A20

CPU Module CM-A20

Base Board SOM-A10/A20

Base Board SOM-A10/A20

MarsBoard A20

MarsBoard A20

Development Resources

http://marsboard.org/new_marsboard_a20_download.html

Compatibility

MarsBoard A20 supports 7inch HD capacitive touchscreen LCD : 7inch Capacitive Touch LCD (D)