Atmel At91Sam9G20 Arm9 Board

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 .

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