Merrii Hummingbird A20

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Merrii Hummingbird A20
Merrii Hummingbird A20 - front.jpg
Manufacturer Merrii Vision
Dimensions 65mm x 100mm x 10mm
Release Date November 2013
Website Product page
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
Other IRDA (Vishay HS0038B), Bluetooth (Ampak AP6210)
Headers UART, 2 x 50 pins expansion connectors

This page needs to be properly filled according to the New Device Howto and the New Device Page guide.


The board helpfully reads "Merrii Vision"(in Chinese), "" on the PCB.

Sunxi support

Current status





Manual build

  • 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.

Mainline kernel

Use the sun7i-a20-hummingbird.dts device-tree file for the mainline kernel.

Tips, Tricks, Caveats

FEL mode

The "U-boot" button triggers FEL mode.

Adding a serial port

Hummingboard A20 UART pads

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.

Also known as

See also