• Difference between PL080 and PL330
    Note: This was originally posted on 4th April 2012 at http://forums.arm.com What is the difference between PL080 and PL330 as both are DMAC controller.
  • What is difference between DCCIMVAC and DCIMVAC?
    The DCIMVAC represents a cache invalidate work. But one specific remark is that it will clean the data if the data is dirty before invalidation. Refer to followings /*******************************...
  • What's the difference between LDAXR and LDREX
    Hi experts: In armv8 specification, I have found two types of exclusive access instructions: LDAXR/STLXR and LDREX/STREX. I have some questions about these instructions: (1) What's the difference...
  • What's the difference between ETM and Debug?
    In the ARM core such as cortex-R4, it has ETM and Debug so I want ask What's the difference between ETM and Debug?
  • What is the difference between IPSR and NVIC_ICSR of Cortex-M?
    Hello experts, suddenly I have a question. I cannot understand the functionality between IPSR and NVIC_ICSR[VECTACTIVE]. Are there any difference? Of course, I know IPSR can be accessed by MSR/MRS of...