[thiagoDGIST]

I found the problem. The device I am using, a camera module OV9655, requires an input clock. I was using MCO1, with PLLCLK/4. When I checked the signal I saw that the output looked more like noise than an actual clock. Then, I changed it to output the clock from HSI and it worked.

[thiagoDGIST]

PS: I am using STM32F4-Discovery

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