ARM Cortex M3 Tutorial 5 : Clocks
Channel: R. Mac
Date: 08/07/2013

This is a Tutorial about how to set up the clocks on an ST board, but this can be generally applied to any microcontroller as many have memory maps in their ref books.

Here is the STM32F100XX  Datasheet/Refrence Manual: http://www.st.com/st-web-ui/static/active/en/resource/technical/document/reference_manual/CD00246267.pdf

The Brilliant background music is by musical wizard Cheez-R-Us on Newgrounds. The song can be found here: http://www.newgrounds.com/audio/listen/70002

Using LDR to assign constants to registers:
http://www.keil.com/support/man/docs/armasm/armasm_bgbbfgia.htm