STM32F405 PLL: 168MHz to 84MHz - how to do this?
Posted on July 08, 2015 at 05:07Hello: I have an STM32F405 processor, with a 8MHz HSE crystal. It's set up to operate at 168MHz. To see if I can get suitable performance at a lower speed to save power, I'd like to change this (*not* on the fly) at t...