2012-09-05 10:55 PM
/public/STe2ecommunities/mcu/Lists/STM32Discovery/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Discovery/stm32f4+dicovery++problems+coming+in+configuring+RTC.only+few+corrections+needed&FolderCTID=0x01200200770978C69A1141439FE559EB459D75800084C20D8867EAD444A5987D47BE638E0F¤tviews=154♯{2E8F2AEA-E1AC-4359-9FBC-341F279053F3}
the control flow is stuck on this placewhile(RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET)
{ }i think that i mistook onoscillating frequency.BUT could not find it.attached the files.you may refer it please.
#rtc #wait-for-you--clive1-!-!-!2014-01-28 12:12 PM
I've had success with these EPSON MC-306 32.768K-E3:ROHS too.
http://www.mouser.com/search/ProductDetail.aspx?qs=tC2qD9afNgo5wsiSIyW37w%3D%3D
Note that some of the DISCOVERY boards also lack the 0 OHM resistors connecting the base of the crystal, but these are usually small enough to solder bridge. Most of the boards use 0402 caps, at least one uses 0603