• Value of "__initial_sp"

    Hello , 

    I am new to ARM cortex M processors and while doing some coding on my board using KEIL  i found that

    at location 0x0000_0000 my debugger shows the value "0x2000_0660" . Thats the value of the MSP loaded. 

    but i really dont understand how…

  • SAM4S Bootloader Jump Address Offset

    Hi everyone, 

    Apologies for asking a very similar question to those that are out there already, but this is my last hope as I have scoured Atmel and arm forums for a solution that works for me, but not found any yet,

    I am trying to write a bootloader for…