Here are some things we’ve found helpful when developing for the Acme Systems Arietta G25:
- Arietta G25 info
- Atmel SAM9G25 info – the microprocessor used in the Arietta
- SAM9G25 product page
- SAM9G complete (data sheet)
- ARM926EJ-S reference manual – comprehensive guide to the ARM microprocessor core used in the G25, including its peripherals (SPI, USART, I2C, etc.)