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Aria G25 technical documentation

• Product description

Declarations of conformity

• RoHS Declaration of conformity 2021
• Product availability declaration
• CE declaration of conformity

Downloads

• Linux Kernel 5.15.68 - Debian Bullseye 11.5 - At91Bootstrap 3.10.4
• Previous versions

Create the Linux boot images from scratch

• Compiling AT91bootstrap 3.10.4
• Compiling Linux Kernel 5.15 LTS
• Build a customized Linux Debian image with Debos
• -----------------------------------------
• Compiling AT91bootstrap 3.9.1 (old)
• Compiling Linux Kernel 4.19.128 LTS for Aria (old)
• Compiling Linux Kernel 4.4.X LTS (old)
• Build a Debian Jessie root filesystem (old)

Linux drivers how tos

• How to use the SPI ports on Aria SOM
• How to use the I2C ports on Aria SOM
• Serial ports
  • Using the Serial ports on Aria G25 SOM
  • Aria G25 - Enable DMA on the serial ports to avoid rx overruns
  • How to use the RS485 on Aria module
• Ethernet
• SD or MicroSD memory card
• USB host
• Power supply
• Debug port interface
• GPIO
  • Manage the GPIO lines from command line with gpiod
  • Manage the GPIO lines in Python3 and C with libgpiod
  • How to use the GPIO lines
  • GPIO examples
• USB webcam
• 1-wire thermal sensor
• WiFi
  • WIFI-2 - OEM WiFi USB module (RaLink RT5370N) (Out of stock)
  • WIFI-3 - USB WiFi dongle @ 5.8GHz-2.4GHz
  • WIFI-4 - USB WiFi module 2.4 / 5.8 gHz
  • WIFI-5 - OEM WiFi USB module (Mediatek MT7601U)

How to design the PCB to use with Acme SOM

• How to design the power supply circuitry
• How to design the Ethernet circuitry
• How to design the USB circuitry
• How to design the microSD circuitry
• How to design the PWM circuitry
• How to design the ADC circuitry
• How to design the serial circuitry
• How to design the GPIO circuitry
• How to design the LCD circuitry

Hardware reference

• Pinout
• Berta G25 - Evaluation board for Aria G25
• Power consumption
• Altium designer library
• Stencil paste Gerber file
• Footprint Gerber files
• Soldering profile
• How to recognize an Acme board

Mechanical

• Step model
• Mechanical layout
• Bottom dimensions
• Mechanical drawing in dwg format

Datasheets

• Microchip AT91SAM9G25 CPU datasheet