Intel® Galileo for Internet of Things Development

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Intel® Galileo Board

 

Introduction:

  • It’s the first board based on Intel® architecture designed to be hardware and software pin-compatible with Arduino shields designed for the Uno R3.
  • Galileo is a microcontroller board based on the Intel® QuarkSoC X1000 Application Processor, a 32-bit Intel Pentium-class system on a chip (datasheet).
  • Important pins such as digital pins, analog, GND pin, power header, UART all pins of Galileo are all in the same place as on the Arduino Uno R3.
  • It support shields that operate at either 3.3V or 5V. Operating voltage of Galileo is 3.3V. However, a jumper on the board enables voltage translation to 5V at the I/O pins.
  • The Galileo board compatible with the Arduino Integrated Development Environment software (IDE),which makes usability and introduction a snap.
  • In addition to Arduino hardware and software compatibility, the Galileo board has several PC industry standard I/O ports and features to expand native usage and capabilities beyond the Arduino shield ecosystem.

Physical Features:

 

  • A full sized mini-PCI Express slot,
  • 100Mb Ethernet port,
  • Micro-SD slot
  • RS-232 serial port
  • USB Host port
  • USB Client port and
  • 8MByte NOR flash come standard on the board
  • Reset button to reset the sketch and any attached shields

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Technical Features:

  • 400MHz 32-bit Intel® Pentium instruction set architecture (ISA)-compatible processor o 16KBytes on-die L1 cache
  • 512KBytes of on-die embedded SRAM
  • Simple to program: Single thread, single core, constant speed
  • ACPI compatible CPU sleep states supported
  • An integrated Real Time Clock (RTC), with an optional 3V “coin cell” battery for operation between turn on cycles.
  • 10/100 Ethernet connector
  • Full PCI Express* mini-card slot, withPCIe 0 compliant features
    • Works with half mini-PCIecards with optional converter plate
    • Provides USB 2.0 Host Port at mini-PCIeconnector
  • USB 2.0 Host connector
    • Support up to 128 USB end point devices
  • USB Device connector, used for programming
    • Beyond just a programming port – a fully compliant USB 2.0 Device controller
  • 10-pin Standard JTAG header for debugging
  • Reboot button to reboot the processor
  • Reset button to reset the sketch and any attached shields

 

 Storage options:

  • Default – 8MByte Legacy SPI Flash main purpose is to store the firmware (or bootloader) and the latest sketch. Between 256KByte and 512KByte is dedicated for sketch storage. The download will happen automatically from the development PC, so no action is required unless there is an upgrade that is being added to the firmware.
  • Default 512KByte embedded SRA, enabled by the firmware by default. No action required to use this feature.
  • Default 256MByte DRAM, enabled by the firmware by default.
  • Optional micro SD card offers up to 32GByte of storage
  • USB storage works with any USB 2.0 compatible drive
  • 11KByte EEPROM can be programmed via the EEPROM library.

Power

Galileo is powered via an AC-to-DC adapter, connected by plugging a 2.1mm center-positive plug into the board’s power jack. The recommended output rating of the power adapter is 5V at up to 3Amp.

Electrical Summary

Input Voltage 5V
Digital I/O Pins 14 (of which 6 provide PWM output)
Analog Input Pins 6
Total DC Output Current on all I/O lines 80 mA
DC Current for 3.3V Pin 800 mA
DC Current for 5V Pin 800 mA

 

 

Communication

Galileo has a number of facilities for communicating with

  • a computer
  • Arduino
  • Other microcontrollers.
  • Galileo provides UART TTL (5V/3.3V) serial communication, which is available on digital pin 0 (RX) and 1 (TX).
  • In addition, a second UART provides RS-232 support and is connected via a 3.5mm jack.

 

Programming

Galileo can be programmed with the Arduino software (download).

 

Documents:

 

Recommended article for other developing board : Raspberry Pi 

 

Information Reference: IntelGalileo

Featured Image Credit: IntelGalileo

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