Kconfig.projbuild 825 B

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  1. menu "Example Configuration"
  2. config CUSTOM_RTC_CLK_8M_DIV
  3. bool "Set custom RTC 8 MHz clock divider to lower CW frequency (CHECK HELP FIRST)"
  4. default "n"
  5. help
  6. Set custom / non standard divider for RTC 8 MHz clock.
  7. This is to lower minimum frequency of cosine waveform generator (CW)
  8. in order to provide sinusoidal signal at about 50 or 60 Hz.
  9. WARNINIG: setting non standard divider for the RTC 8 MHz clock
  10. will affect functionality of RTC peripherals other than CW.
  11. This includes ADC sampling, and will in general make
  12. all RTC register access slower.
  13. DO NOT use this option / change default RTC 8 MHz clock divider
  14. in your applications, if you are not sure what you are doing.
  15. endmenu