• cortex-m0 address branching from ROM to RAM
    I'm designing a MCU platform that is using ROM and RAM. My boot up scenario is as follows. First, ROM F/W is executed after power up(ROM F/W is excecuted only 1 time). And then, core waits for...
  • Program Counter in Cortex-M0
    Hi, my question sounds trivial, but I just cannot find the register for the program counter in my Cortex-M0. According to the Register TRM it should be R15, which is not available in the GPR module...
  • coming from AVR 8-bitter,starting ARM CORTEX-M programming
    Hi everyone, as I wrote in the title, I'm coming from AVR 8-bit MCUs programming and in the last year I learnt a lot about AVR 8-bit architecture,CPU,registers and so on. I've done a few projects coding...
  • Cortex-M0: Execute in RAM after copying from flash
    Hi, I'm working on Cortex-M0.  The goal is to execute the program in SDRAM after copying from flash.  The system will boot from ROM, copy the program from flash to SDRAM, then execute from SDRAM afterwards...
  • Yet another processor crash!
    Yes, my ARM cortex M3 is crashing, whats new? Well, after 3 weeks of debug  I am no closer to an answer, so I hope you will not mind if I list what I have tried and see if anybody has a flash of inspiration...