Variscite VAR-SOM-MX8X Evaluation Kit User Guide

Variscite VAR-SOM-MX8X 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 2.0 DRD (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 [not in use] (J13)
12. Mini PCI Express Connector [not in use] (J15)
13. Miscellaneous Header #2 (J3)
14. SOM Connector (J1)
15. LVDS#B Header (J5)
16. LVDS#A 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. McASP/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, 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.

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-AM62 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-SOMAM62

• VAR-SOM-AM62 Evaluation kits:
  https://www.variscite.com/product/evaluationkits/var-som-am62-evaluation- kits/

• VAR-SOM-AM62 System on Module:
  https://www.variscite.com/product/system-onmodule-som/cortex-a53-krait/var- som-am62-tiam625x/

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

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

Thank you for purchasing Variscite’s product.

For additional assistance please
contact: sales@variscite.com

References

• Download PuTTY - a free SSH and telnet client for Windows
• varisciteportal.axosoft.com/login
• VAR-SOM-AM62 - Variscite Wiki
• VAR-SOM-AM62 Evaluation Kits
• Symphony-Board ARM Single Board Computer - Variscite
• VAR-SOM-AM62 : TI Sitara AM62x System on Module / Computer on Module

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