[Cortex M0] Number of clock cycles for LDR instruction

Hello, I need to know the exact number of the clock cycles per each instruction in terms of the system clock frequency especially the "LDR" instruction Here is the needed instruction: "LDR r3,[r1...
WFI Instruction

Hi, I want to use the wfi instruction in my code. I'm sending a command to a module and wait for the reply. I have configured UART communication with the module. Will it be good to use wfi() instruction...
How can I force a Usage (instruction) exception in cortex m4

I want to test all my exception handlers; but have so far failed miserably at forcing a usage exception. I tried disabling FPU and running a FPU instruction, but this resulted in HARD Fault rather...
Cortex M series and their compatibility

Hello , I am new to ARM. I have a particular software package written to the Cortex M0+ MCU. How can I evaluate that these libraries will be compatible with other type of cortex M series microcontrollers...
Cortex A9 dual core - How to achieve an AMP system without an RTOS?

One of my customer is considering to use Cortex A9 dual core device for a computational intensive task (For the sake of discussion, lets assume an high end image analysis task). Due to cost or other over...