Tiny, cheap and easy ARM9@400Mhz Linux Embedded module for DIY and Maker cultures

Main features

• CPU Atmel AT91SAM9G25 SoC (ARM9 @ 400Mhz)
• DDR2 Ram 256
• Power supply: 5VDC via microUSB or 3.3VDC using the PCB pads
• Line levels: TTL 3.3V (NOT 5V tolerant)
• Operative temperature range:
  • ARIETTA-G25-256 (256MByte RAM): -20 +70 °C
• Size: 53x25mm
• PCB layers: 8
• RoHS and REACH compliant. Low EMI
• Availability: > 5 years
• Designed and Made in Italy

Exposed signals and external devices

• J4 Placement for a 20x2 pins connector pitch 2.54mm (100 mils) (pinout):
  • 1 full-speed usb host
  • 1 hi-speed host/device (same port lines used for the microUSB port)
  • 1 hi-speed host (same lines used for the WiFi adpter)
  • UART lines: 3 ports
  • I2C bus lines: 2 bus
  • SPI bus lines: 1 bus with up to 3 chip select (5 to 50 MHz)
  • PWM lines: 4 lines
  • A/D converters lines: 4 channels@10 bit
  • SSC/I2S interface for audio soc
  • No video or TFT output but the SPI bus can be used for small TFT display and I2C bus for small alphanumeric LCD
  • No direct LAN interface but the USB ports can be used with USB to LAN adapter
• DP placements for a 6 pin male strip pitch 2.54 (100 mils) with the Debug Port Interface lines
• Placement for IEE802.11 b/g/n Wi-Fi module WiFi USB adapter
• Push-push type holder for bootable microSD (up to 64GB) with Linux pre-installed
• microUSB connector to plug the Arietta to your PC and access to the internal Linux with and emulated LAN port over USB (USB gadget)
• User configurable led on board
• User configurable push button on board

Software Features

• Linux Kernel version 3.16.1
• EmDebian Grip Linux "Wheezy" 7.6
• Bootable Linux microSDs available on Acme Systems eShop or free microSD images available from the Acme binary repository to make the microSD by yourself.
• Complete tutorials to build all from sources:
• Fully open source firmware, software environments and toolchains available for free
• Freely available tutorials and code examples
• Thousands of Open Source ready to use packages available from the Debian Wheezy for Armel repositories
• Programmable in almost any language: C, C++, Python, Java, PHP, Perl, Node JS, Lua, Basic, Shell
• GNU C, Python, Perl and PHP already installed on microSD for in-board development.
• Codiad Web based IDE to edit your sources directly via Browser
• Shell-in-a-box Web based AJAX terminal emulator to have access to the Linux command prompt

Basic Version with no strips mounted