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Bootloader for SM470R1B1M (a.k.a. TMS470R1B1M)

amjad masood
Prodigy 225 points

Hi Folks,

I am a newbie in this bootloader development. i need to develop a bootloader for SM470R1B1M(ARM7TDMI core) device in which i have to read the application firmware from the external flash via SPI, and update it onto controllers internal flash memory.

i am confused about what changes to be done to the vector tables as both the program (application & bootloader) will be using it..and in SM470 vector table position is fixed...please help me to understand what changes are required in code and how i have to do that.....