We are using STM32L151RE in our project and i need to confirm which clock source i should use for my applicaion?
Is there any document to decide (or) what are the disadvantages and advantages of HSE and HSI.Please provide any document
Hsi brings cost saving at frequency tolerances cost. So it depends. Check if for usart the baud rate tolerances. For usb, hse is certainly needed, etc...
Hi chaitanya jasti ,
Refer to the AN3216 Getting started with STM32L1xxx hardware development for more clarification on your hardware and this application note AN2867 Application note Oscillator design guide.
I hope that this brings some help to you.
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