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    Hello everyone, I am currently working on a cortex-M0 microprocessor(LPC1114). I have looked through all the possible instruction descriptions but I did not find anyone of them explaining why some instructions...
  • Setting up IRQ in ARM
    Hi everyone I am new to ARM and really wanted to learn about various aspects of ARM Programming . I have basic understanding of x86 Assembly. So,what Specifically I wanted to know is what happens when...
  • A72 not handling IRQ properly
    I want a register write to happen whenever there is an interrupt at irq pin of core 0 and I have written the code for the same. A72 branches to address 0x18 (V=0 and VE=0) by default whenever there is...
  • 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...
  • Cortex M7 irq enable/disable
    In the appnote "ARM Cortex-M Programming Guide to Memory Barrier Instructions" there is a section that describes the use of memory barriers in the Cortex-M processors on a case-by-case basis. Are those...