Cookie: 2746510 VGX Xscale PXA255 Very High Performance Graphics
VGX- Full Motion Video in a low power XScale SBC
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Products :: VGX™

User Manual

Pricing Information

Marvell Single Board Computer Single boardPXA255

Overview
The VGX is a full-featured single board computer that brings together the latest in embedded technologies. Intel's RISC-based XScale PXA255 provides the forum for a powerful but low power consuming 400MHz, <500mW processor. It includes a Silicon in Motion graphics controller for the rich graphics without the heat. Its on-board I/O is as comprehensive as you can have on such a small, 4"x6.5" platform, and it includes 7 serial ports, Ethernet 10/100bT, USB host, dual CAN 2.0b and an AC '97 stereo Codec. The platform has been specially designed for both battery and external power supply types of application scenarios.

Preliminary Specifications

Processors:

  • 32-bit Intel Digital XScale PXA255 RISC processor
    @ 400 MHz

Graphics/ Video/ Touchscreen

  • Silicon Motion "Voyager" graphics controller for 24 bits color output display (up to XGA), CRT/TV monitor (optional):
    The Silicon Motion Voyager graphics accelerator is a stuffing option that comes stuffed with all development systems
  • 24 bit LVDS
  • Digital interface for video encoder (Zoom Video Port)
  • Backlight connector with PWM + ON/OFF controlled by software
  • 4 or 5-wire resistive touchscreen interface (Texas Instrument)

Memory & Wireless Interface

  • Program/Frame Buffer 103 MHz SDRAM to 128 (256 WIP) Mbytes
  • Flash Memory to 64 Mbytes Synchronous (32 MB Asynchronous… Intel Strata Flash)
  • One PCMCIA (Type II)
  • One Compact Flash connector
  • SD/MMC (pinouts for) interface
  • Removable boot rom

Operating Environments

  • Windows CE
  • Linux
  • Others (W.I.P)

Comprehensive Communications

  • Ethernet: 10/100BT (SMSC); RJ-45 connector provided
  • USB Master Hub (requires Silicon Motion Voyager chip):
  • 1 type A (Host) connector port on edge of the board
  • 1 type B (function, slave) connector port on edge of board
  • Dual CAN 2.0b bus support (each: 1 channel, full speed CAN bus with Philips SJA 1000)
  • SPI port compatible with Motorola, Intel and National products
  • 22 digital I/O, 4 analog inputs
  • Seven (7) Serial Ports: - COM1: RS232 (8 wires), RS485
    • COM2: RS232 (4 wire), IrDA
    • COM3: RS232 (4 wire)
    • COM 4-5: TTL or RS232
    • 6-7: TTL
  • Stereo Audio AC '97 Codec
    • - support for 16 bit data format
    • - record from stereo microphones or line input
    • - on board stereo differential audio amplifier for direct connection to speakers
  • ADSmartIO™:

    • Up to three (3) 10bit analog inputs
    • Up to 8x8 keyboard, matrix keypad support
  • One PS/2 port on edge of board (for devices such as Keyboard, Mouse)
  • CompactFlash signals on connector

Peripherals

  • Switching power supply requires 5V external power supply and 5-12V for backlight
  • Real Time Clock
  • Three (3) Software controlled LED status indicators

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