Merrii Hummingbird A20
|Merrii Hummingbird A20|
|Dimensions||65mm x 100mm x 10mm|
|Release Date||November 2013|
|SoC||A20 @ 1Ghz|
|DRAM||1GiB DDR3 @ 480MHz|
|Power||DC 5V @ 2A (4.0mm/1.7mm barrel plug)|
|Video||HDMI, CVBS (via Phone Jack), TV in(via Phone Jack)|
|Audio||3.5mm headphone plug, 3.5mm line-in plug, HDMI|
|Network||WiFi 802.11 b/g/n (Ampak AP6210), 10/100/1000Mbps Ethernet (Realtek RTL8211E)|
|Storage||µSD, SATA (+5v power)|
|USB||2 USB2.0 Host, 1 USB2.0 OTG|
The board helpfully reads "Merrii Vision"(in Chinese), "www.merrii.com" on the PCB.
- For building u-boot, use the "Merrii_Hummingbird_A20" target.
- The .fex file can be found in sunxi-boards as merrii_hummingbird_a20.fex
Everything else is the same as the manual build howto.
Use the sun7i-a20-hummingbird.dts device-tree file for the mainline kernel.
Tips, Tricks, Caveats
The "U-boot" button triggers FEL mode.
Adding a serial port
There is a nice 2.54mm pitch connector between the NAND and the µSD slot, the pin-out is printed right next to it. Just attach some leads according to our UART howto.
Take some pictures of your device, upload them, and add them here.