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Low-cost ARM9 SBC supports Linux

Aug 6, 2008 — by LinuxDevices Staff — from the LinuxDevices Archive — 22 views

Glomation announced an ARM9-powered single-board computer (SBC) that runs Linux and costs just $69 in volume. The GESBC-9260 (pictured) measures 3.75 x 3.5 inches, sports Atmel's 200MHz AT91SAM9260, and targets “highly connected image processing applications” such as Ethernet-based IP cameras, and bar code readers, says Glomation.

(Click for larger view of the Glomation GESBC-9260)

A follow-on to Glomation's similar, Cirrus Logic EP-9302-based SBC, the GESBC-9302, the new GESBC-9260 employs Atmel's AT91SAM9260. This highly integrated SoC (system-on-chip) uses a ARM ARM926EJ-S core, and offers 8KB each of instruction and data cache, plus an external bus interface with controllers for SDRAM, NAND Flash, and Compact Flash.

Glomation's little SBC is offered with either 64MB or 128MB of 100MHz DRAM, plus from 128MB to 1GB of flash storage, all soldered on. Although the company did not specify, photographs suggest that the device offers real-world connectors for its two USB host ports and single USB device port, plus a nine-pin connector for one of its three serial ports.

The rest of the board's interfaces, available via pin headers, include two UARTs, with support for ISO7816-compatible smart cards, 10/100 Ethernet, SD/MMC, I2C, SPI, and an image sensor interface. The GESBC-9260 also offers 20 individually configurable digital I/Os, plus an integrated four-channel, 10-bit A/D converter, says Glomation.

The SBC includes an on-chip real time clock with battery backup, plus on-chip watchdog timer. Power consumption is cited at just 0.4 Amps, requiring a 5V supply.

Features and specifications listed by Glomation for the GESBC-9260 include:

  • Processor — Atmel AT91SAM9260 clocked at 200MHz
  • Memory — 64MB or 128MB of RAM, plus from 128MB to 1GB of flash storage
  • Networking — 10/100 Ethernet
  • Other I/O:
    • 2 x USB host
    • 1 x USB device
    • 3 x UART
    • 1 x RS485
    • 20 individually configurable digital I/Os
    • Four-channel, 10 bit A/D converter
    • Image sensor interface
  • Expansion:
    • I2C bus
    • SPI bus

  • Operating temperature — 0 to 0 deg. C, fanless
  • Power requirements — 5V, 0.4 Amps

  • Dimensions — 3.75 x 3.5 inches

According to Glomation, the GESBC-9260 supports Linux and Windows CE. The device is available now for approximately $69 apiece, in quantity. More information may be available from the company's website, here.

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