I am trying for in-circuit USBSerial programming of AT91SAM3u-4 using SAM-BA V2.12.I am able to see the USB to Serial (AT91 USB to Serial Converter) in the Device Manager.Hence the COM port is recognized. Then I execute SAM-BA and try to connect on the newly identified COM port.After that nothing happens.It seems the communication link between the PC and the target board is not getting set.I have also re-installed the CDC Serial Drivers on my PC.Also the board does not come out of the programming mode even on re-booting.Please help me with the troubleshooting steps of the USB In-circuit programming methodology.
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