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sam9x5ek

Last modified by Microchip on 2025/07/17 12:17

Connect the USB to the board before launching SAM-BA

Remove power from the board
JP9 must be opened (BMS=1) to boot from the on-chip Boot ROM

Cogent module	Embest module	Ronetix module
open *NCS jumper	open SW1 switch (not ON position)	open J1 and J2 jumpers
which is (are) located on the CPU module to prevent access to serial flash and NAND flash

power up the board
check whether the board is found in your PC as a USB device
- For Microsoft Windows users: verify that the USB connection is well established
  AT91 USB to Serial Converter should appear in Device Manager. If it shows a unknown device you need to download and install the driver: AT91SAM USB CDC driver
- For Linux users: check /dev/ttyACMx by monitoring the last lines of dmesg command:
  [172677.700868] usb 2-1.4.4: new full-speed USB device number 31 using ehci-pci
  [172677.792677] usb 2-1.4.4: not running at top speed; connect to a high speed hub
  [172677.793418] usb 2-1.4.4: New USB device found, idVendor=03eb, idProduct=6124
  [172677.793424] usb 2-1.4.4: New USB device strings: Mfr=0, Product=0, SerialNumber=0
  [172677.793897] cdc_acm 2-1.4.4:1.0: This device cannot do calls on its own. It is not a modem.
  [172677.793924] cdc_acm 2-1.4.4:1.0: ttyACM0: USB ACM device
  idVendor=03eb, idProduct=6124: from this message you can see it's Microchip board USB connection.

Cogent module	Embest module	Ronetix module
close *NCS jumper	close SW1 switch (move to ON position)	close J1 and J2 jumpers
which is (are) located on the CPU module to re-gain access to serial flash and NAND flash

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