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Memory mapping for STM32F100RBT6B

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akshada

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hello all,
i am writing in a custom bootloader for STM32F100RBT6B. I just wanted to ask do i need any memory mapping(vector table mapping for this).

My flash is of 128kbyte with 8kbyte of ram

my boot loader will reside at the base address of the flash area 0x0800 0000 till 0x0800 97FF i.e 38kB
and my application will start from 0x0800 9800 till 0x0801 FFFF i.e 90kB

I am new to boot loader programming and memory mapping as well . Can anyone put some light on this topic. and how do i need to proceed with the memory mapping.

one more question,
I want to jump from application to bootloader for firmware upgrade for which i need to use a hard flash address. I'll set this address before jumping from application and later i'll check in my custom bootloader for a valid jump by checking this address again and will continue with the upgradation of application flash inside the boot loader.

Thanks in advance..
 


Re: stm32 memory mapping

i did't get any topic related to bootloader there...
 

Re: stm32 memory mapping

yaa .... bit more how to search.....

if you go to hackaday site and search ... STM32 one of link you will get it will be....

https://hackaday.com/2012/06/17/template-for-building-stm32f0-discovery-project-in-gcc/

then if you search a bit you will get the link -

https://www.triplespark.net/elec/pdev/arm/stm32.html

If you further search on this site you will get a link -

**broken link removed**

I think what you are looking for is there....

but if you are looking for particularly word "bootloader" for STM32 refer this-

https://www.st.com/internet/com/TEC...AL_LITERATURE/APPLICATION_NOTE/CD00167594.pdf

I hope you will get every thing that you want ....

Good Luck
 

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