• Target Options Xtal Freq doesn't o/ride .h default value?
    I'm new to ARM and MDK, so maybe I'm missing something. For the STM32F4xx Discovery board Blinky project, the Target Options tab has a xtal frequency of 25MHz specified. The hardware, of course, has...
  • Target Options Xtal Freq doesn't o/ride .h default value?
    I'm new to ARM and MDK, so maybe I'm missing something. For the STM32F4xx Discovery board Blinky project, the Target Options tab has a xtal frequency of 25MHz specified. The hardware, of course, has...
  • XTAL Oscillator
    It is said that 8051 has an on-chip oscillator but requires external clock to run it. What may be the internal circuit for on-chip oscillator, how it runs after connecting crystal oscillator? Also what...
  • XTAL Oscillator
    It is said that 8051 has an on-chip oscillator but requires external clock to run it. What may be the internal circuit for on-chip oscillator, how it runs after connecting crystal oscillator? Also what...
  • XTAL frequency for Serial RS232
    According to the 8051 text book, in order to generate a standard baudrate used for serial rs232 coomunication, the XTAL frequency has to be 11.059MHZ. My current project uses a 14.318MHZ XTAL. Is...