Features 400MHz Atmel AT91SAM9G20 ARM core processor with DSP Instruction Extensions and ARM Jazelle? Technology for Java? Acceleration 64MB 133MHz high speed SDRAM , 256MB NAND FLASH 10/100 baseT Ethernet SD/MMC with SDHC support 2 USB Host port 1 USB device port 1-channel CAN2.0 Bus 6 RS-232 Serial Port 1 RS-485 Serial Port 1 x 4-channel 10-bit ADC 1 SPI and 1 IIC intreface Real-time clock and watch-dog timer Digital I/O Hardware System CPU: Atmel AT91SAM9G20 (ARM926EJ core with MMU capable of 400MHz operation) RAM: 64Mbyte SDRAM Flash: 256Mbyte Nand Flash RTC: Battery backed Real Time Clock/Calendar EEPROM: 4kbit EEPROM Watch-Dog: On chip watch-dog timer Data Transfer Interface UARTS: 7 serial Port(6 RS232 serial port, 1 RS485 Serial) Debug: 3-wire RS232 serial port, COM0: 5-wire RS232/TTL serial port, COM2: 5-wire RS232/TTL serial port, COM3: 3-wire RS232/TTL serial port COM4: 3-wire RS232/TTL serial port COM5: 3-wire RS232/TTL serial port COM1: 5-wire RS485/TTL serial port, Net: 10/100M Ethernet interface(MAC was on AT91SAM9G20 chips) USB: 2 USB 2.0 Full Speed Host & 1 USB 2.0 Full Speed Device ports CAN: 1-channel CAN2.0 Bus SD: 1 SD/MMC card slot SPI: 1 High-Speed SPI ports IIC: Hardware I2C port A/D: 1 x 4-channel 10-bit ADC Others Button: 1 Reset button LED: 1 battle LED, 1 user LED Buzzer: 1 Buzzer. Mechanical Dimensions: 126mm x 86.5mm Temperature: -10¡ãC to 70¡ã C Power supply: 12V . More product info: http://www.armdevs.com Email: sales@armdevs.com Please feel free to contact us if any items are of your interest.