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STM32L151 clock issue

Question asked by chaitanya jasti on May 1, 2017
Latest reply on May 1, 2017 by KIC8462852 EPIC204278916



i am using STM32L151 in our borad and for main clock source i have used pericom 8mHZ crstal and when i am trying to observe clock on scope ,i am unable see the clock.But SW team programmed the controller and with LED blinking and it is working fine on one of the GPIO.


Can any one confirm is my external crystal is fine or the programmer used internal crystal to program.