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Novasom M7 Hardware User Manual

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Features
  4. Description
  5. Connectors description and Configuration
  6. Table 1 : Connectors list
  7. Connectors pinout
  8. J9 Expansion Connector pinout
  9. J7 Audio Connector pinout
  10. Electrical characteristic
  11. Recommended operating conditions
  12. The NOVAsom M7 console
  13. The first boot
  14. Figure 5 : The NOVAsom M7 first boot
  15. Connections to J9
  16. Developing a NOVAsom M7 extension board
  17. Table 5 : Groups recommendations
  18. Figure 6 : Power input section
  19. Trobleshooting
  20. Table 6 : Troubleshooting
  21. Contacts
Novasom M7 Hardware User Manual Manual pdf 22 page image
NOVAsomM7 Hardware User ManualN.M7-250518-HUM-M7-V1.2 Page 22 of 25www.novasomindustries.comEurope | Asia | AmericaFigure 6 : Power input section• The I2C lines ( I2C2_SCL, I2C2_SDA ) has a 3.3KΩ pull ups on the NOVAsom M7 board to their ownpower. Avoid to place additional pull ups on the I2C lines, as this may lead to malfunctioning due toexcessive load.• The USB HOST channels on J13 (USBDN_DP2, USBDN_DM2, USBDN_DP3, USBDN_DM3 ) hasalready the power protections and management on the the NOVAsom M7 board , and can bedriven using a schematic like the one in the following Figure 5 (USBOTGDN, USBOTGDP is shown,but the same can be used for USBDN_DP3, USBDN_DM3 with the USB_PWR3 signal ).With these simple hints you will successfully design your own Extension board.
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This manual is suitable for:
M7
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