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Acqua A5 - Linux embedded system on module
Linux embedded system on module designed around the Microchip SAMA5D31 Cortex-A5@536 MHz MPU
Documentation
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Main features
- Long term availability
- Linux Kernel 4.19 - Debian Buster - Buildroot 2020 - Yocto
- Single core CPU ARM Cortex-A5 (armhf) @ 536MHz (more info...):
- DDR2 RAM 256 or 512 MB @ 32 bit
- Nand FLASH 0 or 256 MB
- MicroSD holder hinge type
- AT24MAC402 chip on-board:
- Factory programmed unique EUI-48 MAC address for eth0 interface
- I2C-Compatible (2-wire) 2-Kbit Serial EEPROM
- Embedded Unique 128-bit Serial Number
- 10/100 Mbit ethernet interface
- Power control on eth port for power safe applications
- 3 USB Host ports (one configurable as USB device)
- 24 bit LCD controller and resistive touch panel I/F
- 4 status leds
- Single power supply at 3.3 Volt DC
- 3x50 pin connectors pitch 1.27 mm (50 mils)
- Floating Point Unit
- Available temperature ranges:
- Commercial: -0 +70 °C
- Extended: -25 +85 °C
- Size: 53 x 53 mm (2.09 x 2.09 inches)
- Weight: 14g
- Placement for metal shield for harsh environment
- AES/DES encryption engine
- Software compatible with SAMA5D3 Xplained board
- PCB layers: 10
- Low power consumption
- Low EMI
- CE, RoHS and REACH compliant
- Designed and Made in Italy
- No Acme Systems brand printed on-board
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 Acqua technical documentation is available the step-by-step documentation to install Linux from scratch.
- Ready-to-use binary images of Debian and Buildroot Linux distribution are available on Download bootable class='acmetable' microSD Linux images for Acqua page
- Ready-to-use microSDs are also available on our Store
Exposed signals
- 10/100 Mbit ethernet phy
- RGB i/f @ 24 bit for LCD TFT
- Resistive touch panel i/f
- TWI compatible I2C i/f (up to 3)
- SPI bus i/f (up to 2)
- GPIO lines (up to 120)
- A/D @ 12 bit (up to 12)
- Timer counters (up to 2)
- Serial ports (up to 6)
- 3 USB Host, 1 USB device
- Memory Card i/f (up to 2)
- ITU-R BT 601/656 image sensor i/f
- PWM (up to 6)
- SSC-I2S audio i/f (up to 2)
- Programmable clock (up to 3)
- JTAG port on pads
- Debug serial port
- Battery input for internal RTC
Declarations of conformity
![](www/acqua/./acqua_peripherals.jpg)
MicroSD hinge type holder
To open the Acqua microSD holder apply a gentle pression to the metallic
shield then shift it ahead.
![](www/acqua/./acqua_microsd_holder.gif)
Metallic shield for harsh environment
If you plan to use Acqua A5 in an electromagnetic noisy environment (for example
near DC motors) it is possible to place a metallic shield made by Wurth Elektronik
to better protect the board from external EMI.
This shield is composed by two parts:
- a metallic open frame to be welded to the board
- a removable metallic cover
![](www/acqua/./acqua_with_shield.jpg)
Evaluation boards for Acqua A5 SoM
Berta A5 extended
Evaluation boards for Acqua A5 Linux Embedded SoM with power supply section,
ethernet ad USB connectors
![](www/acqua/./BERTA-A5-EXT.jpg)
Features
- Ethernet 10/100
- 2 USB 2.0 host hi-speed port
- 1 USB 2.0 device hi-speed port or USB 2.0 host hi-speed port or placement
for a WIFI-2 WiFi module.
- Power supply at 5 volt DC via miniUSB connector
- Placement for Acqua A5 SoM
- All the Acqua lines not used by the on-board components are available
on pads pitch 2.54 mm (100mils)
- DPI port placement
- Size 10x10 cm
- Schematic in pdf format
- More info
Berta A5 basic breakout board
Breakout and evaluation boards for Acqua A5 Linux Embedded System on Module
![](www/acqua/./BERTA-A5-BASIC.jpg)
Features
- Placement for Acqua A5 SoM
- All the Acqua lines are available on pads pitch 2.54 mm (100mils)
- DPI port placement
- Size 10x10 cm
- More info
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