• simulator starts always in supervisor mode
    Why does the programm always run in the supervisor mode if I use the simulator? If I use the Ulink2 to debug then the programm runs in user mode. Moreover I don't understand why the programm don...
  • LPC2378 won't always start
    I've got a new board with an LPC2378 on it, running a simple program for the moment. When I turn power on, about half the time the processor won't start - the oscillator doesn't come on, code isn't...
  • Why USB_UP_LED is always on
    Hi I am using keil's LPC1700 demo board, testing the usb device MSC function, after usbd_init() and usbd_connect(__TRUE), windows display a disk, the USB_UP_LED is on, this is expected, however,...
  • Why not printf works always....
    Why not printf works always.... When I tried with Keil Monotor Driver51 it did not work but was working in simulation mode. But now again when I try to debug sample code in simulated mode it does...
  • Why does the falling edge external interrupt always triggering?
    Hi everyone, i have met another problem that i am unable to solve for several days. The Falling Edge External Interrupt that i have set INT0 of the DS89C450 MCU is always triggering even when i do not...