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Data Sheet
TCX IMX8 Features: Power: voltage 12-24 VDC +-20%, maximum power 25 W, reverse polarity protection SoM: VAR-SOM-MX8M-MINI Core: NXP’s i.MX 8M Mini with 1.6 GHz Quad-core ARM Cortex-A53 and 400 MHz Cortex-M4 real-time processor Timing:...
Get Started
Connecting Tiger to a power supply Connect a power supply to the pins shown in the picture below. The suggested power supply is a DC voltage in range of 12-24 V. Connecting to a console In order to connect to the system console, follow this instruction....
Introduction
Specifications of the device Power: voltage 12-24 VDC +-20%, maximum power 25 W, reverse polarity protection SoM: VAR-SOM-MX8M-MINI Core: NXP’s i.MX 8M Mini with 1.6 GHz Quad-core ARM Cortex-A53 and 400 MHz Cortex-M4 real-time processor Timing: 1.6 GHz...
Technical Diagrams
Enclosure
External Interfaces
USB The device is equipped with 2 USB connectors. USB1 MicroUSB connector for USB 2.0 is placed on the front panel. The interface can work in both host and device modes. The signal on the connector can be changed with a switch. T...
Internal Communication Lines
The device is equipped with multiple internal communication lines of the following types: SPI The device is equipped with the following SPI communication lines. SPI1 Signal Processor pin Default function Chip select...
Front Panel
View of the front panel Components of the front panel DIP switches The device has DIP switches on the front panel which enable the control of various key functions such as: booting mode choice microUSB signal choice choosing Linux con...
Expanders
Expander A Part number: 74HC595BQ Expander A diagram Expander A pins description Pin Type Usage User-space name Description 1 Q1 DO1 gpiochip8 1 Digital output 1 2 ...
Connectors Designations
Principle of designating connector pins Each pin designation is composed of 2 parts. Part 1 Choose a letter stating the type and purpose of the connector, chosen individually with ease of use by the user in mind. General connectors D - digital input pin...
Booting
eMMC DIP switches positions To boot from the eMMC the DIP switch No. 1 needs to be in the position shown in the picture below. Power supply Connect a power supply to the pins shown in the picture below. The suggested power supply is a DC volt...
System Console
UART console Connecting the adapter to the device To display the console via UART an RS232 → USB adapter needs to be connected to the pins of the connector shown on the picture below. Configuring COM port A serial port terminal needs to be configured w...
User Management
Default user The default user in Tiger is the only one available after the first boot. login: root no password Create new users In order to list all existing users in the system use the following command: awk -F':' '{print $1}' /etc/passwd To add ...
Updating
System Image A system image (.swu file) is required for the update. The image is protected by the image checksum and by the image signature. That means a modified image will not be accepted by the device. Only images from our source allow for updates. It ...
System Overview
Distribution Custom Linux distribution based on the Yocto Project. Type uname -a to check installed version, kernel, etc. Supported languages English (US) English (GB) User utilities Text editor The default available built-in text editor on the de...
Restoring Factory Settings
To factory reset the device, you need to reinstall the current system version or perform an update. The entire process is detailed in the Updating section.
Building Custom System Image
If you would like to ask a specific question, please visit our Contact Us page for any further information.
External Interfaces
DIO read This example shows how to use DIO (Digital Input Output) of the Tiger computer in the read mode. After running the program, the state of every DIO will be displayed. DIO_read - C example DIO_read - Python example DIO_read - Bash example Co...
How to Use?
Tiger computer is provided with some basic software examples that can be used as a starting point for developing custom programs. The examples are available in: C Python Bash The examples are divided into categories: External Interfaces Internal...