Variscite VAR-SOM-MX8M-PLUS Evaluation Kit User Guide

Variscite VAR-SOM-MX8M-PLUS Evaluation Kit

Specifications

• Processor: NXP i.MX 8M Plus
• Power ON Switch (SW7)
• 12V DC In Jack (J24)
• USB Debug (J29)
• Micro SD Card slot (J28)
• USB 3.0 OTG (J26)
• USB 2.0 Host (J23)
• Gigabit Ethernet #0 (J21)
• Gigabit Ethernet #1 (J20)
• MIPI-CSI #1 Camera connector [optional] (J19)

Product Usage Instructions

Evaluation Kit Initial Setup

1. 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, and J11 respectively.
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, refer to the VHP-VS8M documentation.

Setting the Host PC for Debug

1. Download a PC terminal software like 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.
2. Connect the wall adapter to the 12V power jack (J24) and a power source.
3. Set the Power ON switch (SW7) to the ON state.

Booting from a micro SD Card

1. Set the Power ON switch (SW7) to off state.
2. Set the Boot select switch (SW3) to the SD position.
3. Insert the microSD card into the microSD card slot (J28) of the Symphony Board.
4. Set the Power ON switch (SW7) to the ON state.

(Re-)Installing the File System to eMMC

Please refer to the recovery SD card section in the Variscite Wiki pages for detailed instructions.

FAQ

Where can I find additional support?

You can contact Variscite’s sales team at sales@variscite.com for further assistance.

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. Gigabit Ethernet #1 (J20)
9. MIPI-CSI #1 Camera connector [optional] (J19)
10. Miscellaneous Header #1 (J17)
11. HDMI/ MIPI-CSI #2 Camera connector [optional] (J13)
12. Mini PCI Express Connector (J15)
13. Miscellaneous Header #2 (J3)
14. SOM Connector (J1)
15. LVDS#B Header (J5)
16. LVDS#A/ DSI Header (J7)
17. Fan Power Connector (J9)
18. Digital Microphone (U1)
19. Resistive Touch (J10)
20. Capacitive Touch (J11)
21. User Buttons (SW1, SW2, SW4)
22. Line-In Connector (J12)
23. Headphones Connector (J14)
24. Boot Select Switch (SW3)
25. SAI/I2C/SPI/CAN Header (J16)
26. Reset Button (SW5)
27. PWR Select Switch (SW6)
28. UART/PWM Header (J18)
29. 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, and 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 the Boot select switch (SW3) to the “Internal” position to boot from the VAR-SOM-MX8M-PLUS internal storage.
2. Plug the wall adapter into the 12V power jack (J24) and into a 120VAC~240VAC power source.
3. Set the Power ON switch (SW7) to the 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 on the Variscite Wiki pages.

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

(Re-)Installing the file system to eMMC

• Please refer to the recovery SD card section on 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: sales@variscite.com

Documents / Resources

| Variscite VAR-SOM-MX8M-PLUS Evaluation Kit [pdf] User Guide
VAR-SOM-MX8M-PLUS Evaluation Kit, VAR-SOM-MX8M-PLUS, Evaluation Kit, Kit
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References

• Download PuTTY - a free SSH and telnet client for Windows
• varisciteportal.axosoft.com/login
• VAR-SOM-MX8M-PLUS - Variscite Wiki

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