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Original question:

TM4C1294NCPDT: Booting of application after upgrade

LP-AM263: Custom Bootloader is having issue when generated in CCS

Sreeraj Nair
Prodigy 50 points
Part Number: LP-AM263
Other Parts Discussed in Thread: UNIFLASH

Hi Expert,

I'm using AM263-LP and currently working on the custom bootloader for my application. It has been observed that the bootloader binary is not proper when generated using CCS in my system.

Basically, we are generating the bootloader binary using CCS and using the uart uniflash, we are writing it to the QSPI flash by putting the LP to UART BOOT mode using the switches. After which, we used to put the switches back to QSPI BOOT mode. This time the MCU should accept the bootloader and should boot properly, instead it is waiting for UART BOOT mode again. 

We have verified and ensured that the code is bug free and has identified the root cause of the issue to the binary generation in CCS.  

I'm using CCS 12.2.0.00009 along with mcu_plus_sdk_am263x_08_05_00_24. Could you please help me out in this case?

Thanks, 

Sreeraj