Top "Cortex-m" questions

STM32F030 and BOOT0 pin

I'm trying to create circuit with STM32F030K6T6 microcontroler and im not sure about one thing. There is …

stm32 cortex-m

Processor Instruction Cycle Execution Time

My guess is that the __no_operation() intrinsic (ARM) instruction should take 1/(168 MHz) to execute, provided that each NOP executes …

execution-time stm32 cortex-m machine-instruction nop

How to create a QEMU ARM machine with custom peripherals and memory maps?

I am writing a code for Cortex-M3 cpu and I am performing unit testing using qemu-arm binary. For now everything …

arm qemu cortex-m

arm sleep mode entry and exit differences WFE, WFI

I am reasonably new to the ARM architectures and I am trying to wrap my head around the wake up …

arm interrupt cortex-m

ARM Cortex-M4: Running code from external flash

Is it possible to separate base FW and application code on ARM Cortex-M4 architecture (e.g STM32 F4). What I´…

c arm embedded cortex-m

ARM Development on Linux

I have purchased a Tiva C series LaunchPad TM4C123G Evaluation Kit from Texas Instruments. This kit contains a …

embedded arm cortex-m

Bootloader for Cortex M3

I am using a LPC 1768 board from mbed, (with cortex M3 cpu) and I am trying to achieve something here, …

c arm bootloader keil cortex-m

How to delay an ARM Cortex M0+ for n cycles, without a timer?

I want to delay an ARM Cortex M0+ for n cycles, without using a timer, with the smallest possible code …

assembly arm cortex-m

Unaligned access causes error on ARM Cortex-M4

I have an object that has an address that is not 4-byte aligned. This causes a HardFault error in the …

c++ c arm memory-alignment cortex-m

Generate sine signal in C without using the standard function

I want to generate a sine signal in C without using the standard function sin() in order to trigger sine …

c embedded cortex-m