# Acqua technical documentation

<img src="./ACQUA-256E.jpg" height="240px">

* [Product description](/acqua)
* @article='acqua_devkit'
* @article='acqua_getting_started'
* [Declarations of conformity](/declarations)
* [Buy from Acme eShop](/pricelist?category=acqua) 


### Downloads

* <i class="fa fa-download" aria-hidden="true"></i> [Linux Kernel 5.15.68 - Debian Bullseye 11.5 - At91Bootstrap 4.0.4](/download_acqua)
* <i class="fa fa-download" aria-hidden="true"></i> [Previous versions](/download_acqua#previous)

### Create the Linux boot images from scratch

* @article='at91bootstrap_4_0_4'
* @article='compile_kernel_5_15'
* @article='debos'
* -----------------------------------------
* @article='at91bootstrap' (old)
* @article='acqua_compile_kernel_4_19' (old)

### Linux how tos

* @article='adc'
* @article='spi'
* @article='i2c'
* GPIO
	* @article='gpiod'
	* @article='libgpiod'
	* @article='gpio'
	* @article='dougg_gilbert_gpio_utils'
* @article='acqua_1wire'
* @article='acqua_serial'
* @article='acqua_rs485'
* @article='acqua_at24mac402'
* @article='acqua_nand_flash_mounting'
* @article='acqua_tft'
* WiFi
	* @article='WIFI-2'
	* @article='WIFI-3'
	* @article='WIFI-4'
	* @article='WIFI-5'
* @article='dtc'

### Others

* @article='acqua_samba'
* @article='acqua_romcode'
 
### Hardware reference 

* [Essential schematic of Acqua A5 SOM](./acqua_essential_schematic.pdf)
* [Schematic in pdf of BERTA-A5-LCD](/download/schematics/schematic_berta_a5_lcd.pdf)
* @article='pinout_acqua'
* [Pinout in pdf format](/download/schematics/schematic_acqua.pdf)
* @article='power_consumption'
* @article='acqua_test_point'
* @article='visual_guide'

Datasheets

* [Microchip MPU SAMA5D31](http://www.microchip.com/wwwproducts/en/ATSAMA5D31)
* [Microchip AT24MAC402](http://www.atmel.com/Images/Atmel-8807-SEEPROM-AT24MAC402-602-Datasheet.pdf)
* [MicroSD socket](https://www.acmesystems.it/download/datasheets/MSD-HOLDER-2_datasheet.pdf)

### Mechanical

* [Mechanical layout](/download/mechanicals/acqua_footprint.pdf)
* [Step model](/download/mechanicals/ACQUA.step)

### PCB reference

* [Altium PCB library of component Acqua](/download/schematics/Acqua.PcbLib)
* [Altium schematic of component Acqua](/download/schematics/Acqua.SCHLIB)
* [Altium Designer project files of Berta-A5-LCD](/www/acqua/berta-a5-lcd.zip) 
* [Gerber footprint files](/download/schematics/Gerbers_Acqua_footprint.zip)

### How to design the PCB to use with Acme SOM 

* @article='power_supply'
* @article='pcb_ethernet'
* @article='pcb_usb'
* @article='pcb_microsd'
* @article='pcb_pwm'
* @article='pcb_adc'
* @article='pcb_serial'
* @article='pcb_gpio'
* @article='pcb_display'

### Third party contributes

* [lbr-file for eagle 7.x.x by Christian Stein](./acqua.lbr)