Datasheet
Application block diagrams STM32F405xx, STM32F407xx
158/167 Doc ID 022152 Rev 2
A.4 USB OTG high speed (HS) interface solutions
Figure 85. USB controller configured as peripheral, host, or dual-mode
and used in high speed mode
1. It is possible to use MCO1 or MCO2 to save a crystal. It is however not mandatory to clock the STM32F40x
with a 24 or 26 MHz crystal when using USB HS. The above figure only shows an example of a possible
connection.
2. The ID pin is required in dual role only.
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