This SAM9G45 ARM9 Board is a new released compact board by Embest in 2010, based on the ATMEL AT91SAM9G45 processor, works at up to 400MHz and provides plenty of internal memory and external memory. The board features a wide range of peripherals, including UART, USB host, USB device, Ethernet, SD/MMC, Micro SD, TFT LCD, User extension interfaces, key buttons and IIS Audio Input/Output Jack. In addition, the board supports Linux2.6 and WinCE6.0 OS and offers plenty of example programs which makes your design and development much more easier.
* Supports Linux2.6, WinCE6.0 OS
* On-chip memory: 64KB ROM & 64KB SRAM
* External memory: 256MBNandFlash, 2MB NorFlash, 4MB DataFlash & two 64MB DDR2 SDRAM
* Features a 4.3" QVGA 320x240 LCD panel with Resistive touch screen

Order this part from Embest or its authorized distributor in local.
More information, pls visit here: http://www.embedinfo.com/en/list.asp?id=72 Or contact Embest HQ:
Attn: Mr Rich Huang
Email: Sales.en@embedinfo.com
Tel: 0086-755-25621715 / 25635626 ext. 1715
Fax: 0086-755-25616057

Good, but can the atmel at91sam9g45 processor be applied to Alarm system?

If you would like to know the application of any of the microcontroller like at91sam9g45, you read its datasheet, it would tell you extactly what fields this MCU are applied to.