What do you mean by schematics? Is it board specific?
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Hello again @haokerem
STM32F207VGT6 is not a board is an MCU. That's why you can't find his schematics and his user manual. For this MCU, those are all documents that you can use. Also, theSTM32F207VGT6 is not used in any board(nucleo, disco, ....) that's why is not possible to find the CAD ressources for a board using that MCU.