四核，2G内存，69美元的Cortex-A9开发板ODRIOD-U2
今天上hackaday，发现了一个好东西，棒子出的开发板ODROID-U2，四核，2G内存，支持usb扩展GPIO接口，售价69美元，比树莓派小得多。要是人多搞个团购多好啊。
http://com.odroid.com/sigong/_Files/2012/201211/images/201211291304301718.jpg
usb转GPIO扩展板
http://com.odroid.com/sigong/_Files/2012/201211/images/201211261402503925.jpg
下面是具体的参数：
CPU1.7GHz Exynos4412 Prime Cortex-A9 Quad-core processor
with PoP (Package on Package) 2Gbyte LPDDR2 880Mega Data Rate（跟Galaxy NoteII一样的cpu)电源管理MAX77686 Power Management IC from MAXIMUSB 2.0 集线器USB3503A Integrated USB 2.0-compatible hub / HSIC upstream port from SMSC网络控制器LAN9730HSIC USB 2.0 to 10/100 Ethernet controller with HP Auto-MDIX from SMSC音频芯片MAX98090 is a full-featured and high performance audio CODEC from MAXIM保护芯片BQ24381Over-voltage, Over-current protection IC from TIUSB Load switchR5524NProtection IC for USB power supply from RICOHHDMI 控制器IP4791CZ12 HDMI transmitter interface protector with level shifter from NXPHDMI 链接器Standard Micro-HDMI, supports up to 1920 x 1080 resolution输入输出接口
USB Host x 2, Device x 1, Ethernet RJ-45, Headphone Jack存储Micro-SD slot, eMMC module connector（eMMC模块该网站有售）麦克风DMO-B125T26-6P Digital MEMS Microphone (Omni-Directinal) from BSE电源输入5V / 2A input, Plug specification is inner diameter 0.8mm and outer diameter 2.5mm
来源：http://vileer.com/2012/12/07/droid-u2_a_arm_board_with_quad_core_and_2gb_ram
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