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roadrunner acqua aria arietta cm3-panel-7-basic cm3-panel-7-poe cm3-home foxg20 foxlx netus yarm terraRoadRunner (Microchip SAMA5D27) technical documentation
Declarations of conformity
MicroSD images download
- Debian Bullseye 11 - Linux Kernel 5.4.163
- Debian Buster 10 - Linux Kernel 4.19.134
- Raspbian Buster Lite 2020-02-13 - Linux Kernel 4.19.78
- Debian Jessie 8.9 - Linux Kernel 4.9.40
Create the boot images from scratch
- Compiling AT91bootstrap
- Compiling Linux Kernel 4.19 LTS
- Compiling Linux Kernel 5.4 LTS
- Build a customized Linux Debian Buster image for RoadRunner using Debos
- BuildRoot-at91 2020.04
- Write on QuadSPI memory with SAM-BA
Power
Peripherals how tos
- Serial ports
- ADC converter
- SPI bus
- I2C bus
- ISC image sensor port
- 1-Wire
- GPIO
- Microchip Peripheral I/O Python Package
- Manage GPIO lines with gpiod
- Manage GPIO lines in Python3 with libgpiod
- Manage the GPIO in Node-RED
- Manage GPIO lines using sysfs
- Using the Dougg Gilbert gpio utils
- How to use special GPIOs
- Check the current gpio setting: less /sys/kernel/debug/pinctrl/fc038000.pinctrl-atmel_pinctrl/pinconf-pins
- Class D amplifier
- PDMIC MEMS microphone stereo input
- Display DPI interface
- MMC0 bus
- WiFi using a 2.4GHz WiFi USB module
- WiFi using a 2.4/5.8GHz WiFi USB dongle
- How to Use the SAMA5D2 PWM Under Linux (Microchip)
- Find out the speed of the usb ports
Other how tos
- Compile a SAM-BA Applets
- Run a full working Buildroot Linux using just a 128MB QuadSPI
- Fix the MAC address of RoadRunner
- Install and run Node-RED on RoadRunner
- More...
Third party how tos
- Scripts to automate kernel builds for AcmeSystem's boards
- Scripts to build Debian images for AcmeSystems boards
Experiments
Hardware reference
- Pinout
- Pin description
- Berta D2 schematic: (ver 1.1), (ver 1.0)
- Identifying the the Acme boards
Mechanical
PCB reference
- Gerber Files
- Altium component SCH
- Altium component PCB
- Altium Designer project files of Berta D2 (ver 1.1), (ver 1.0)
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
- miniPCIe for SIMCOM 7600 Modem
- How to design the HSIC circuitry
Studies
Datasheets
- Microchip SAMA5D27
- QuadSPI Serial NOR Flash Memory 16MB (RW210)
- QuadSPI Serial NOR Flash Memory 64MB (RW181)
- QuadSPI Serial NOR Flash Memory 128MB (RW185)
- QuadSPI Serial NOR Flash Memory 256MB (RW261)
- Hirose Connectors for carriers board
- Use Hirose DF40C-100DS-0.4V(51) for Stacking Height of 1.5mm
- Use Hirose DF40HC(3.0)-100DS-0.4V(51) for Stacking Height of 3.0mm
