• Setting SYSCON register before EINIT.
    Hello, I am trying to initialise the CAN interface on a C164 - I need to set the XPEN bit, and clear the CAN1DIS bit in the SYSCON register. However, I am using C, and thus C_STARTUP_CODE is loaded...
  • cycle penality before using a register as pointer
    Note: This was originally posted on 28th January 2011 at http://forums.arm.com Hi. it seem's that you can't use a modified register as a load address directly in the next cycle (with the Cortex A8) For...
  • How to save register values before __main function
    Hi, I'm working on a cortex M3 based MCU with Keil. After reset a device related information is stored in R4. This value is cleared after __main and before the main function. Is there a way I can store...
  • Operator ":"
    Hi, I saw this expression in a header file, and I don't know what ":" means, will you please tell me. unsigned char variable : 2; thanx
  • Writing to port before reading it
    Hello all, Does someone know about writing 0xFF to micro's port before reading it? Do we actualy need to do it? Thanks a lot, Roberto