• Restoring Resister Values
    Note: This was originally posted on 17th March 2011 at http://forums.arm.com Hi, I am working with Cortex M3 and I wrote a program in which I am calling a C function that is implemented in Assembly language...
  • is there any pull up/down resisters required between MCP23S17 AND ULN2803A ?
    Hi, In one of my design i am using MCP23S17 IC, it is 16 I/O Expander, now i want to interface all pins to ULN2803A IC , Now my question is there any pull up/down resisters required between MCP23S17...
  • malloc failing
    Hi, I currently encounter problems with malloc. I use microlib and configured the heap to be 32MBytes (0x02000000 bytes). Under some special circumstances (depending on the image date we get from...
  • FMC problem
    Hello Every one, I am starting a new project and I am using the FMC peripheral in order to communicate with a LCD TFT. I have configured the pins in the STM32cube mx ,and checked on my board the...
  • Local variables storage optimization
    Hi , I am using ARM Cortex M4 . When I compile my code I get "No space in Execution region with .ANY selector matching section .const data .When I decrease the code size I am able to compile the...