Variscite VAR-SOM-MX8M-MINI Based On NXP i.MX 8M Mini Evaluation Kit User Guide

Variscite VAR-SOM-MX8M-MINI Based On NXP i.MX 8M Mini Evaluation Kit

Variscite VAR-SOM-MX8M-MINI Based On NXP i.MX 8M Mini Evaluation Kit User

Guide

Features

1. Power ON Switch (SW7)
2. 12V DC In Jack (J24)
3. USB Debug (J29)
4. micro SD Card slot (J28)
5. USB 3.0 OTG (J26)
6. USB 2.0 Host (J23)
7. Gigabit Ethernet #0 (J21)
8. Miscellaneous Header #1 (J17)
9. Mini PCI Express Connector (J15)
10. Miscellaneous Header #2 (J3)
11. SOM Connector (J1)
12. LVDS#B Header (J5)
13. LVDS#A/ DSI Header (J7)
14. Fan Power Connector (J9)
15. Digital Microphone (U1)
16. Resistive Touch (J10)
17. Capacitive Touch (J11)
18.  User Buttons (SW1, SW2, SW4)
19. Line-In Connector (J12)
20. Headphones Connector (J14)
21. Boot Select Switch (SW3)
22. SAI/I2C/SPI/CAN Header (J16)
23. Reset Button (SW5)
24. UART/PWM Header (J18)
25. RTC Battery Holder (JBT1)

Evaluation kit initial Setup

1. Carefully remove the 7” LCD and Symphony-Board from the package.

2. Connect the 7” LCD Display and Touch cables to the Evaluation Kit connectors J7, J11 respectively.
   Note: connect the display cable with the red wire on pin 1. Connect the touch cable with the metal contacts facing down.

3. Plug the USB type A to micro B cable between the USB debug connector (J29) and a PC USB port.

4. For heatsink assembly instructions, please follow the VHP-VS8M documentation.
   Please note that the heatsink is mainly used for CPU/GPU intensive applications and may be required per your specific use case.

Setting the host PC for debug

1. Download any PC terminal software (e.g. Putty).
2. Set the PC terminal software parameters as follows:
   • Baud Rate: 115200
   • Data bits: 8
   • Stop bits: 1
   • Parity: None
   • Flow Control: None

Booting from eMMC

1. Set Boot select switch (SW3) to “Internal” position to boot from the VAR-SOM-MX8M-PLUS internal storage.
2. Plug the wall adapter into the 12V power jack (J24) and to a 120VAC~240VAC power source.
3. Set Power ON switch (SW7) to ON state.
4. Boot messages are printed within the PC terminal window.

Booting from a micro SD card
The microSD card is supplied within the package. Updated SD card images can also be downloaded from the Variscite FTP server.

See more details in the recovery SD card section in the Variscite Wiki pages.

1. Set Power ON switch (SW7) to off state.
2. Set Boot select switch (SW3) to “SD” position in order to boot from SD Card.
3. Push microSD card into the microSD card slot (J28) of the Symphony-Board.
4. Set Power ON switch (SW7) to ON state.
5. Boot messages are printed within PC’s terminal window.

(Re-)Installing the file system to eMMC
Please refer to the recovery SD card section in the Variscite Wiki pages.

Links

• Wiki page:
  https://variwiki.com/index.php?title=VAR-SOM-MX8M-PLUS

• VAR-SOM-MX8M-PLUS Evaluation kits: https://www.variscite.com/product/evaluation-kits/var-som-mx8m-plus-evaluation-kits/

• VAR-SOM-MX8M-PLUS System on Module: https://www.variscite.com/product/system-on-module-som/cortex-a53-krait/var-som-mx8m-plus-nxp-i-mx-8m-plus/

• Symphony carrier board:
  https://www.variscite.com/product/single-board-computers/symphony-board/

• Customer portal:
  https://varisciteportal.axosoft.com/login

Thank you for purchasing Variscite’s product.

For additional assistance please contact: [email protected]

References

• VAR-SOM-MX8M-MINI | Variscite Wiki
• Download PuTTY - a free SSH and telnet client for Windows
• varisciteportal.axosoft.com/login
• Variscite is a leading ARM System on Module (SoM) designer and manufacturer
• VAR-SOM-MX8M-MINI Evaluation Kits based on i.MX 8M Mini - Variscite
• Variscite is a leading ARM System on Module (SoM) designer and manufacturer
• Symphony-Board ARM Single Board Computer - Variscite
• Variscite is a leading ARM System on Module (SoM) designer and manufacturer
• VAR-SOM-MX8M-MINI : NXP i.MX 8M Mini ARM System on Module (SoM)

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