SPEAR-MX8 based on NXP i.MX8 Evaluation Kit Quick Start Guide
Features:
1. DMIC (U38) 2. USB Debug (J40) 3. Mini PCIe (J37) 4. Gigabit Ethernet 0 (J33) 5. Debug port select (SW8, SW9) 6. Gigabit Ethernet 1 (J34) 7. SD-MMC (J36) 8. USB3.0 OTG (J41) 9. Dual USB2.0 Host (J35) 10. Power supply LEDs (D26, D29, D30) 11. 12V DC In (J43) 12. 12V DC In LED (J28) 13. On/Off switch (SW10) 14. USB2.0 OTG (J30) 15. Reset, On/Off button (SW5, SW7) 16. Boot Select Switch (SW6) 17. MIPI CSI-2 Camera Extension(J25) 18. User Buttons (SW1, SW2, SW3, SW4) 19. Display Port (J22) 20. HDMI Port (J19) 21. User LEDs (D3, D5, D6, D8) 22. Capacitive Touch (J8) 23. Resistive Touch (J7) 24. FAN (J21) 25. Coin Cell Battery (JBT1) 26. LVDS Over Current LEDs (D31, D32) 27. LVDS 0 (J11, J12, J17, J18) 28. LVDS 1 (J9, J10) 29. SATA Power (J6) 30. DSI (J14, J15, J16)
31. SATA 32. HDMI In (J13) 33. SPI, M40 (J20) 34. CAN, RS485, SPDIF (J23) 35. MLB, SAI (J24) 36. CAN, UART, I2C (J26) 37. ADC, SNVS (J29) 38. Headphones (J31) 39. Line In (J32)
Evaluation kit initial Setup
1. 7" LCD Display: connect the display cable to J11 with the red wire on pin 1 and the touch cable to J8 with the metal contacts facing down.
2. Plug the USB type A to micro B cable between the USB Debug connector (J40) and a PC USB port.
3. Select A53 Debug Port by setting SW8 to On. 4. Peel off the plastic layer from the heat sink and
place the sticky surface on the center of the SOC.
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SPEAR-MX8 based on NXP i.MX8 Evaluation Kit Quick Start Guide
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. For internal boot: Set the Boot select switch (SW6) to eMMC position (On) to boot from the SPEAR-MX8 internal storage.
2. Plug the wall adapter into the 12V power jack (J43) and to a 120VAC~240VAC power source.
3. Set Power ON switch (SW10) to ON state. 4. Boot messages should be 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 (SW10) to OFF state. 2. Set Boot select switch (SW6) to SD side (Off)
in order to boot from the SD card. 3. Push microSD card into the microSD card
slot (J36) of the VAR-SP8CustomBoard. 4. Set Power ON switch (SW10) to ON state. 5. Boot messages should be printed within the
PC terminal window.
(Re-)Installing the file system to eMMC
Please refer to the recovery SD card section in the Variscite Wiki pages.
Links
o Wiki page: https://variwiki.com/index.php?title=SPEARMX8
o SPEAR-MX8 Evaluation kits: https://www.variscite.com/product/evaluatio n-kits/spear-mx8-evaluation-kits/
o SPEAR-MX8 System on Module: https://www.variscite.com/product/systemon-module-som/cortex-a72/spear-mx8-nxpimx8/
o VAR-SP8CustomBoard: https://www.variscite.com/product/singleboard-computers/var-sp8customboard/
o Customer portal: https://varisciteportal.axosoft.com/login
Thank you for purchasing Variscite's product. For additional assistance please contact: sales@variscite.com
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mailto:sales@variscite.com
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varisciteportal.axosoft.com/login
SPEAR-MX8 - Variscite Wiki
Variscite is a leading ARM System on Module (SoM) designer and manufacturer