• stm32f103c8t6 "blue pill" board
    Hi, I am new to ARM cortex and have started with a m3 board stm32f103c8t6 using a St link v2 usb device and Stm32cubemx . To begin with the IDE used was Keil 5 and everything went ok first shot. I...
  • Global variable initialisation problem
    Is this a bug? //in global scope: uint32_t a = 0; uint32_t b = 1 // in main(): printf( "%d %d", a, b); Output is -1472002 1. i.e. variable not initialised if it is explicitly set to zero...
  • Cortex-M3 frequency
    Hello everyone, So I want to implement the cortex-m3 with the 0.18 TSMC library, but I can't find its maximum frequency. Does anyone know the maximum frequency for the M3 in 0.18 technology?
  • ARM9 Frequency scaling
    Hello, I am currently working on a ARM9 based System on Chip. I would like to experiment with Frequency scaling on the CPU, but I have the following issue: The main PLL is used at the same time by an...
  • Foundation v8: sp804 frequency
    Hi ! I'm trying to use the sp804 timer of the Foundation model to generate interrupts. I'm unsure about the timer frequency I should use, since there is no entry in the example dtb. My sp804 driver has...