• Can anyone tell me where I can download the latest Cortex M4 Technical Reference Manual
    Where are the Technical Reference manuals located?
  • Using STM32F407VG MCU chip alone
    Good morning everybody .. I'm working on a project in which I use STM32F407VG MCU .. it works perfectly on discovey board now I bought the chip alone and want to design a circuit that I can program with...
  • DSP instruction for x*x + y*y. Does it exist?
    Hello all! I am new to ARM community and this is my first question here. I work on embedded systems where we use Cortex-M4 based MCUs (concretely STM32F3 series). I would like to ask, if there is a DSP...
  • How does Cortex-m4 core interact with other master devices?
    How does Cortex-m4 interacts with other master devices such as DMA while m4 core does not have Hbusreq and Hgrant ports? m4 core does not have interfaces to arbiter.
  • PSP Stack Pointer, what memory address does it point to?
    In the ARM Cortex M4, If the PSP stack pointer is configured, what address space does it point to?  Is it the same address space as the MSP (main stack pointer)? Or do we create a new and separate stack...