Summary of Arietta G25 – Low cost Linux embedded module
The Arietta-G25 is a compact, Italy-designed embedded Linux module featuring an Atmel AT91SAM9G25 ARM9 CPU. It supports DDR2 RAM (128MB or 256MB) and operates on 5VDC or 3.3VDC power. The board offers extensive connectivity via USB, UART, I2C, SPI, and audio interfaces, alongside microSD support for pre-installed Linux. It is RoHS compliant, low EMI, and available for over five years.
Parts used in the Arietta G25:
- CPU Atmel AT91SAM9G25 SoC
- DDR2 Ram (128 or 256 MByte)
- microUSB connector
- J4 20x2 pins connector
- I2C bus lines
- SPI bus lines
- PWM lines
- A/D converters lines
- SSC/I2S interface
- IEEE802.11 b/g/n Wi-Fi module adapter slot
- Push-push type holder for bootable microSD
- User configurable led
- User configurable push button
Main features
- CPU Atmel AT91SAM9G25 SoC (ARM9 @ 400Mhz)
- DDR2 Ram 128 or 256 MByte
- 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 (128MByte RAM): -20 +70 °C
- ARIETTA-G25-256 (256MByte RAM): -0 +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 20×2 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 adapter)
- 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 an emulated LAN port over USB (USB gadget)
- User configurable led on board
- User configurable push button on board
For more detail: Arietta G25 – Low cost Linux embedded module
- What CPU does the Arietta G25 use?
The module uses an Atmel AT91SAM9G25 SoC with an ARM9 processor running at 400Mhz. - Can the Arietta G25 connect to a LAN directly?
No, it has no direct LAN interface, but USB ports can be used with a USB to LAN adapter. - Does the Arietta G25 have video output capabilities?
No, there is no video or TFT output, though the SPI bus can drive small displays. - How much RAM is available on this module?
The module comes in two versions with either 128 MByte or 256 MByte of DDR2 Ram. - What are the power supply options for the device?
It accepts 5VDC via microUSB or 3.3VDC using the PCB pads. - Is the Arietta G25 compatible with standard Linux distributions?
Yes, it supports a microSD card with Linux pre-installed. - What is the maximum capacity supported by the microSD slot?
The push-push type holder supports bootable microSD cards up to 64GB. - Are the TTL line levels 5V tolerant?
No, the line levels are TTL 3.3V and are not 5V tolerant.
