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LP-AM263P: Bootloader update failed

Part Number: LP-AM263P
Other Parts Discussed in Thread: UNIFLASH

Tool/software:

Hello.


I've got AM263Px LaunchPad board and have a trouble with bootloader.

When I initially connected board to PC I sawa XDS110 ports in device manager.

I've tried to start debug form CCS (version 12.7.1.00001 with Sitara device support 1.3.5 and am263px SDK 09.02.00.55) using one of example projects. CCS showed request to update XDS110 firmware.

After clicking "Update" firmware update started, but at the end message that XDS110 was not found after update appeared in console (no screenshot). Number of COM-port in device manager has changed and now it became regular serial port. No any flashing/debug can be done now.

I've tried to restore bootloader firmware using uart_uniflash script from SDK, but no upload was started.

How can I restore bootloader, or at least how can I start debugging with CCS (I have second LaunchPad board for it)?