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XScale module runs Linux at 520 MHz

Feb 7, 2006 — by LinuxDevices Staff — from the LinuxDevices Archive — 8 views

Digi International is shipping a component-like embedded computer module that integrates an XScale PXA270 processor along with an extensive set of peripheral interfaces. The ConnectCore XP supports Linux and Windows CE, and targets both fixed and mobile applications that require display, networking, security, and audio/video… processing, according to the company.

(Click here for larger image)

According to Digi, the ConnectCore XP's 3.3VDC voltage input and low power consumption make it well suited for battery operated devices. The module is used like a macrocomponent — all peripheral interfaces appear on two 100-pin connectors, X1 and X2. A baseboard, included with the module's development kit, assists developers in evaluating the module and designing it into devices.

ConnectCore XP block diagram

Digi lists the following key features and specifications for the ConnectCore XP:

  • Processor — 520 MHz PXA270
  • Memory — 64 MB RAM, 32 MB StrataFlash
  • Display:
    • on-chip LCD controller for TFT/STN LCD panels
    • 800 x 600 max. resolution with 24-bit color
  • 10/100 Base-T Ethernet
  • Other I/O ports:
    • USB 1.1 host and device
    • USB 2.0 OTG
    • 2 synchronous serial ports — compatible with Serial Peripheral Interface (SPI), Microwire, and Programmable Serial Protocol (PSP) modes
    • 2 asynchronous serial ports — one full function, one Bluetooth
    • I2C and I2S interfaces
    • Fast Infrared Communications Port (FICP)
    • 2 pulse-width modulator outputs
    • AC97 audio
    • General purpose I/O
  • Expansion:
    • CompactFlash
    • PCMCIA
    • SD/SDIO, MMC
    • Memory stick
    • 32-bit external memory bus
  • Power — 3.3VDC @ 350mA max
  • Dimensions — 2.66 x 1.44 inches (67.6 x 36.7 mm)

Development kits

The module's development kits support Linux or Windows CE, and include:

  • ConnectCore XP module
  • Development baseboard
  • TFT LCD screen with touch panel
  • power supply
  • JTAG booster and adapter supports:
    • flash programming and verification
    • I2C device access
    • CPU signal tests
  • LxNETES 3.x Linux
    • GNU toolchain (gcc/binutils/uClibc)
    • Linux kernel 2.6.x w/patches
    • BSP source code
    • Boot loader w/source files
    • Sample files and documentation


The ConnectCore XP with a 520MHz PXA270 processor, 64 MB of SDRAM, and 32MB of flash is available now. Other processor speeds and memory configurations are also available. Pricing was not disclosed.

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