Datasheet

DocID022152 Rev 8 189/202
STM32F405xx, STM32F407xx Application block diagrams
A.3 Ethernet interface solutions
Figure 97. MII mode using a 25 MHz crystal
1. f
HCLK
must be greater than 25 MHz.
2. Pulse per second when using IEEE1588 PTP optional signal.
Figure 98. RMII with a 50 MHz oscillator
1. f
HCLK
must be greater than 25 MHz.
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