• how does a microcontroller work!
    I'm doing some study on PID AC motor controller. I have a commercial PID motor controller (AC/single phase/220V/50Hz) in hand. It is based on 80535A. I just traced it and drawn the schematic. I noticed...
  • how does the formater of a TPIU works
    HI I'm learning the trace of ARM cortex_m3 after run the trace-test, i check the inside signal of TPIU and i found the format data is different from the ITM data in the picture the fifo1_data_i...
  • How does the processor really work ?
    Explain in detail. Not trying to be snobbish, but I'm curous and heaven't much in the way of documentation on the feature.
  • Manual Reset does not work
    I am using a STR912FW44 processor. My program will run if I allow the Keil IDE to automatically reset the chip after loading it to flash. However, if I manually reset the chip by toggling the power on...
  • os_tmr_call() callback does not work
    I've got a simple project for LPC2138 microcontroller. In main() function I call os_tmr_create(10, 1); to create user timer and then just while(1); I've os_tmr_call(U16 info) function that is never...