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Reference design targets PXA270-based Linux handhelds

Jan 11, 2006 — by LinuxDevices Staff — from the LinuxDevices Archive — 2 views

iWave Systems Technologies has introduced a development platform aimed at handheld products based on the Intel PXA270 processor. The iW-RainboWG1 supports Linux and is suitable for developing PDAs, smartphones, portable media players, gaming gadgets, and handheld point-of-sale devices, according to the company.

The iW-RainboWG1 is powered by a 520 MHz PXA270, and it includes 64 or 128 MB of SDRAM and 32 or 64 MB of Flash memory. The reference platform unit comes with a 3.7-inch VGA touchscreen display, and it also includes a CMOS camera port that works with an optional VGA resolution camera module.

iW-Rainbow board
(click image for larger view)

iWave lists the following key features and specifications for the iW-RainboWG1:

  • Processor — 520 MHz PXA270
  • Memory — 64 or 128 MB SDRAM; 32 or 64 MB Flash
  • Display — 3.7-inch VGA touchscreen LCD
  • Expansion:
    • SD/MMC
    • CompactFlash
    • Sony Memory Stick
    • “Flash Disk” — up to 1 GB
  • Wireless
    • IRDA
    • 802.11b/g (through CF card)
    • GSM/GPRS/PHS/Bluetooth as external plug-in
  • Input/output ports:
    • USB 2.0 device
    • USB 1.1 host with OTG support
    • Keypad connector
  • Audio/Video:
    • built-in microphone
    • speaker and headphone connectors
    • option: CMOS camera module with VGA resolution
  • Board dimensions — 5.9 x 3.3 inches (150 x 84 mm)

iW-Rainbow block diagram
(click image for larger view)

iWave says it supports all peripherals under both the Linux 2.6.9 kernel and Windows CE 5.0. Additional software support includes a diagnostic suite and DSP libraries for JPEG and MPEG1/2/4.

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