The latest embedded Cortex-A9 experimental box embedded teaching experiment platform CES-EDU4412 experimental box hardware configuration CPU: Samsung Exynos4412, quad-core Cortex-A9, clocked at 1.4 ~ 1.6GHz. Support 1MByte L2cache, packaged as 0.4mm pitch FCFBGA-804, dual-channel LPDDR2 (1066Mbps), twice as fast as Tegra3 of; GPU: ARM Mali-400 MP Core (Quad Fragment processors); RAM: CPU integrated within 1GByte of LPDDR2, rate of 800Mhz; iNAND: 8GB iNAND, SanDisk; PMIC: selection of Samsung's S5M8767A, with a 9-way DC / DC and LDO output power 28-way intelligent, low power consumption; Precision Interface: Support 480Pins, Molex's choice 0.635mm SMT socket, stable and reliable, leads all CPU signals, highly scalable; 3G: ZTE modules currently used, enabling the Internet, send and receive text messages; WiFi: support 802.11b / g / n standard; GPS: currently the highest sensitivity tracking sensitivity of -165dBm, captured as -148dBm; CMOS Camera Interface: 2-way, support the camera; USB 2.0 HS OTG: 1 Road OTG 2.0; USB HOST (HUB) 2.0: 2-way HSIC signals, four USB HOST port, then all kinds of USB devices (such as keyboard, mouse, BT, etc.); SD / HSMMC: 4-way SDIO port for iNAND, MMC / SD, WiFi, etc; UART interfaces: 4 UART port, baud rate up to 115200bps, with to access GPS, print debug information MIPI interfaces: MIPI display connector; HDMI Interface: HDMI 1.4 (1080P / 60Hz); LCD LCD touch screen: 7-inch capacitive touch screen LCD; VGA display: 1 channel standard VGA output interface, support various VGA LCD display; LVDS display: LVDS interface (4 set of differential signal); Ethernet interface: 1 channel 10M / 100M cable interface; Audio: IIS signal, use Wolf's WM8994, a stereo input / output; digital audio output port : 1 channel S / PDIF 5.1Channel Audio I / F, can transmit PCM stream and DolbyDigital, DTS Surround such compressed audio signal; scanning keyboard: 8 * 8 Scanning keyboard, scalable; function keys include: power button, reset button interrupt keys, etc.; LED lights: 8 GPIO control LED lights; I2C: EEPROM; electronic compass: 3-Axis Magnetoresistive Sensors, 12bit ADC, I2C interfaces; acceleration: ± 2g to ± 16g, I2C interfaces; gyroscope: 16bit ADC, I2C interfaces; Battery: RTC for use, round lithium battery (3V); External power supply: 12V / 3A DC power supply, with power switch and indicator lights; core board interface connector: Molex's selection of 0.635mm SMT socket, reliable, significantly reduce the overall height; extension interface: signal leads the user needs, including a bus, interrupt, I / O and the like.