Main features

  • Long term availability
  • Microchip AT91SAM9G25 MPU (ARM9@400Mhz)
  • DDR2 RAM 128/256 MB @ 16 bit
  • Boot from external microSD, SD card or serial flash
  • Lan 10/100 Mbit
  • User configurable led on board
  • Power supply: single at 3.3 Volt DC
  • Consumption: see consumption...
  • Line level: TTL 3.3V
  • Temperature range: 0-70 °C and -20 +70 °C (-E version)
  • Size: 40 x 40 mm (1.57x1.57 inch)
  • Weight: 5g
  • Pads pitch: 1.27 mm (50 mils)
  • Reliability parameters:
    • Atmel AT91SAM9G25 MTBF (Mean Time Between Failure): 75,131,480 hours
    • Crystals MTTF (Mean Time To Failure): 95% = 131,000 hours, 60% = 265,000 hours
  • PCB layers: 8
  • RoHS and REACH compliant
  • Low EMI
  • Designed and made in Italy
  • No Acme Systems brand printed on-board

Exposed signals

  • USB: up to 3 host ports:
    • one hi-speed host/device
    • one hi-speed host
    • one full-speed
  • UART: up to 6 serial lines
  • I2C: up to 2 I2C buses
  • SPI: up to 2 SPI buses
  • GPIO: up to 60 GPIO lines
  • A/D: up to four channel @ 10 bit

Software features

  • This board is fully supported inside the Linux Kernel main stream http://www.kernel.org. Thanks to this fact it is possible to try also the very latest Kernel releases. On this site we'll release up to the latest longterm versions.
  • All the kernel drivers are fully open source and available directly on the official Linux repository.
  • On the main index is available the step-by-step documentation to install Linux from scratch.
  • Ready-to-use binary images are available on the download page
  • Ready-to-buy-and-use microSDs are also available on our Acme Systems eShop
  • Thousands of open source applications are available from the Debian and Buildroot repositories.
  • ARMHF is the architecture to select for RoadRunner and Acqua boards. ARMEL is the architecture to select for Aria and Arietta boards.
  • Almost all programming languages are available.

BOM origins

Component Brand and Origin
CPU Microchip Technology Incorporated (USA)
RAM Micron Technology (USA) , Samsung (South Corea), Hynix (South Corea), Elpida (Japan), Alliance (USA)
PCB Rayming PCB (China)
Quartz IEV Industria Elettronica Varese (Italy)
MicroSD holder JAE (Japan), other vendors (China)
Passive Yageo, Panasonic, Taiyo Yuden, Samsung, Vishay, Bourns, other vendors (China)
Connectors Hirose (USA), Wurth Elektronik (Germany), other vendors (China)
WiFi module Various vendors (China)