by Merrii, we can provide users with Android 4.4 and Linux3.3 to develop.





Hummingbird Development System is a mini board based on A31, there are two USB hosts, an OTG, a Gigabit Ethernet as well as line in and HDMI HD video output. Support VGA, CVBS input, MIPI interface, these parts are all integrated on the motherboard which is only slightly larger than a A5 paper.It has all the basic functions of a PC when connect TV and keyboard, such as

preadsheets, word processing, play games and HD videos etc.

Specifications Of A31 SoC

A31 Hummingbird Development System based on Allwinner quad core A31processor. A31 processor enriched with interfaces, including CVBS input and output, HDMI, VGA, MIPI/CSI, dual-channel LVDS, dual-channel RGB/CPU LCD,SATA,USB, SPI and GMAC.

A31 processor applies the quad-core ARM Cortex-A7 CPU structure, including all characteristic of Cortex-A15, and the A31 processor is the most energy savingprocessor in present ARM platform. Equipped with PowerVR™ SGX544MP2 GPU, A31 not only improves the system performance, but also satisfy the excellent game compatibility. In addition, A31 supports 3840x1080 video encoding and decoding.

CPU ARM® Cortex™-A7 Quad-Core 256KB L1 Cache 1MB L2 Cache GPU PowerVR™ SGX544MP2 Complies with OpenGL ES2.0, OpenCL 1.x, DX 9_3 Video UHD H.264 4Kx2K video decoding Multi-format FHD video decoding, including Mpeg1/2, Mpeg4 SP/ASP GMC, H.263, H.264,etc. H.264 High Profile 1080P@60fps encoding 3840x1080@30fps 3D decoding, BD/SBS/TAB/FP supported 3840x1080@30fps 3D encoding Complies with RTSP, HTTP, HLS, RTMP, MMS streaming media protocol Display Dual-Channel LVDS 1920x1080@60fps 4 lanes MIPI DSI 1920x1200@60fps Dual-channel RGB/CPU LCD 2048x1536@60fps Integrated HDMI1.4 1080p@60fps Camera Integrated Parallel & MIPI I/F sensor Integrated powerful ISP, supporting Raw Data CMOS sensor Supports 5M/8M/12M CMOS sensor Supports 8/10/12-bit YUV/Bayer sensor HawkView™

ISP Static and dynamic defect pixel correction and lens shading correction Anisotropic non-linear Bayer interpolation with false color suppression Programmable color correction, dynamic range compression and contrast enhancement Advanced spatial de-noise filter AE/AF/AWB Anti-flick detection Memory Dual-Channel LPDDR2/DDR3/DDR3L Controller Dual-Channel NAND FLASH Controller with 64-bit ECC PMIC Specially designed PMIC AXP221 21-channel power output and 2.2A Flash charging Comply with USB 3.0 power supply standard Audio Integrated HI-FI 100dB Audio Codec Three integrated differential analog mic amplifiers for headset and phone One digital mic interface with software noise cancellation OS Supports Android 4.1/4.2 and above Compatible with Microsoft Windows 8

Structure of A31

Highlights Of A31

The main specifications of A31 quad-core mobile application processor are as following:

- Quad-core Cortex™-A7 ARM CPU structure

- Equipped with a Power VR SGX544MP2 GPU and has eight logic cores.

- Support dual-channel DDR and NAND Flash.

- Integrated HawkView camera ISP, support HD image processing and fast image capture.

- Integrated MIPI DSI/MIPI CSI module

- integrated audio codec module

Compare with Cortex-A8, the property of Cortex-A7 has promoted to 50% while the dimension is one-fifth of the A8, and its efficiency is five times of the A8. The A31 dual-core mobile application processor combines with the ARM high property .It can not only satisfy the property demands of website surfing, streaming video and 2D/3D games application, but also minimize the power dissipation.

- Games

Game rendering quality is becoming better in the quad-core A31 eight significant platform, the picture is more delicate and less jagged; Meanwhile, A31 chose the same series GPU as apple which is enhance game compatibility with more than 95%.

- Vedio

A31 reflects the fourth-generation video processing technology of Allwinner, it supports 4Kx2K video decoding, Blue-ray 3D @ 30fps and four-way 720P video codecs simultaneously. The 4K player supports multiple video display suspended; video engine interface is more open, open the standard OpenMax interfaces.

- Website page

Web browser supports suspension video, the main page load time can reach less than 5 seconds with further improvement page loading speed under the circumstances with sufficient Bandwidth.

- Camera

A31 integrated 4 lanes MIPI CSI interfaces, support up to 12 million pixel camera and 1080P @ 60fps video recording. You can achieve face detection, panorama shot, auto focus, 3D camera and other functions

- Low power consumption

A31 life increased by more than 20%, over 30 days of standby supported, over 100 hours of music playback, over 10 hours of video playback and more than 8 hours of web browsing

- Storage

A31 supports 16-bit dual-channel NAND, read and write speed increase of 100%.

-Display

A31 supports eDP or 4 lanes MIPI interface retina screen, the resolution up to 2048x1536.

- Tools

Allwinner-Technology launched two upgraded version firmware tools, Phoenixsuit and OTA, firmware modification tool DragonFace, and mass production testing tools DragonFire, DragonBoard and DDRTest.

Software features

File System Support: ROM/CRAM/EXT2/EXT3/EXT4/FAT/NTF/JFFS2/YAFFS2 etc.

Driver Support: LCD, Touch Screen, UART, Gigabit Ethernet, HDMI, SATA,VGA etc.

Support from Nand Flash,SD card booting.

Default Android4.4 system and Android4.4 and linux 3.3 source code will be provided.

Linux OS Features:

l Linux version: linux 3.3

l Graphics library: Qt

ＵＩ interface under Linux

Android OS Features：

l Android Version: android 4.4





Description Of Hardware Interface

Name Description CPU ARM® Cortex™-A7 Quad-Core PowerVR™ SGX544MP2 PMU X-Power AXP221“flash charging core”，2.2A PWM charging switch、、smart power management specialist，accessible to 12V power adapter, battery，USB5V power input,，providing 21 line power output，including5-line high-current DC / DC, maximum efficiency can be reach to 95%. DRAM 4*4G 16 Bits DDR3，forming dual-channel 32 bits 2048M Bytes DRAM NAND Flash Hynix H27UBG8T2CTB，4G Bytes MLC 64bit ECC NAND Flash， eMMC和tSD NAND Flash, It can act as system's boot device TF Card Support up to 32G card memory, support card test WIFI Wifi BT two-in-one module 3G Onboard MINI PCI-E 3G module interface, support data communication Ethernet 10M/100M/1000M IEEE802.3，use Realtek RTL8201CP RJ45 USBHost/USBOTG 1*USB OTG 2.0，2*USB Host，2-3*USB extended Pin Headphone/Line-in Support stereo headphone output/line in Speaker Onboard 10W stereo amplifier IC TV-IN CVBS Input。 VGA VGA output pin interface HDMI output HDMI v1.4，support 1080P@50/60fpts at the most LCD/LVDS Provide interface as LCD screen to extend development, support every size of screen: CPU screen below 3 Inch ,RGB screen above 3 inch, LVDS screen above 8 inch Camera Provide CSI and MIPI camera interface TP Support quad-line resistive touch screen and capacitive touch screen with TWI interface UART Provide UART interface, TTL level Keys RESET，POWER_ON etc IR IR only supports infrared remote control DC 12V DC IN。





Description of Extended PIN

Support these wiring pin functions: UART0, 1,4,5. (UART1 with fluid control)

CSI, MIPI, SPI2, TWI2, GPIO*3, LCD, CTP, RTP

J4

Pin Pin Name IO type Pin Pin Name IO type 1 VCC-5V 2 VCC-5V 3 VCC-5V 4 GND 5 GND 6 GND 7 LCD0-D1 8 LCD0-D0 9 LCD0-D3 10 LCD0-D2 11 LCD0-D5 12 LCD0-D4 13 GND 14 GND 15 LCD0-D7 16 LCD0-D6 17 LCD0-D9 18 LCD0-D8 19 LCD0-D11 20 LCD0-D10 21 LCD0-D13 22 LCD0-D12 23 LCD0-D15 24 LCD0-D14 25 GND 26 GND 27 LCD0-D17 28 LCD0-D16 29 LCD0-D19 30 LCD0-D18 31 LCD0-D20 32 LCD0-D21 33 LCD0-D22 34 LCD0-D23 35 LCD0-CLK 36 LCD0-DE 37 LCD0-VSYNC 38 LCD0-HSYNC 39 LCD-BL-EN 40 PWM0 41 LCD-PWR-EN 42 TP-WAKEUP 43 TPX1 44 TP-INT 45 TPX2 46 TWI1-SCK 47 TPY1 48 TWI1-SDA 49 TPY2 50 VCC-3V 51 DSI-D0P 52 DSI-D0N 53 DSI-D1P 54 DSI-D1N 55 DSI-D2P 56 DSI-D2N 57 DSI-D3P 58 DSI-D3N 59 DSI-CKP 60 DSI-CKN

J11

Pin Pin Name IO type Pin Pin Name IO type 1 VCC-5V 2 VCC-5V 3 VCC-3V 4 VCC-3V 5 CSI-PCLK 6 CSI-SCK 7 CSI-SDA 8 CSI-VSYNC 9 CSI-HSYNC 10 CSI-MCLK 11 CSI-D4 12 CSI-D5 13 CSI-D6 14 CSI-D7 15 CSI-D8 16 CSI-D9 17 CSI-D10 18 CSI-D11 19 GND 20 GND 21 CAM-RESET# 22 CAM-STBY-EN 23 CSI-1V5 24 CSI-1V8 25 CSI-PWREN 26 AFVCC-2V8 27 CSI-AF-IO 28 CSI-2V8 29 GND 30 GND 31 CSI2-D0N 32 CSI2-D0P 33 CSI2-D1N 34 CSI2-D1P 35 CSI2-D2N 36 CSI2-D2P 37 CSI2-D3N 38 CSI2-D3P 39 CSI2-CKN 40 CSI2-CKP 41 MIPI-CSI-MCLK 42 GND 43 GND 44 TWI2-SCK 45 UART5-RX 46 TWI2-SDA 47 UART5-TX 48 SPI2-CS0 49 UART1-RTS 50 SPI2-CLK 51 UART1-CTS 52 SPI2-MOSI 53 GND 54 SPI2-MISO 55 UART1-RX 56 PM4 57 UART1-TX 58 PM5 59 VCC-3V 60 PM6

Prospect and Purpose

Due to the expansion interfaces of hummingbird development system are much

more than some other similar products, and it has got global high attention. Thus

making it very powerful,rich social environment and market value. the more people

participate, the more rapid development, the greater the potential market, followed

by the more purposes. Currently,besides the children's education above-mentioned,

it also can be used as basic computer, home theater HD player etc.

Following uses:

• multimedia player

• PlayStation

• IPTV

• Emulation box

• Auto PC

• Car GPS

• smart robot

• Server

• Electronic Album

• remote surveillance

• Home alarm apparatus / automation system

… …

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