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STM32F4 & Ethernet configuration (RMII)

truhann
Associate II

‎2014-11-27 02:25 AM

Posted on November 27, 2014 at 11:25

Good day,

Given you use the RMII interface to the STM32F4 MCU does anybody know what the CR (clock range) needs to be configured to?  The RMA is not clear if the clock range configuration is for the MII interface only.  Configuring it as the RMA suggest for the RMII interface breaks my driver.

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waclawek.jan
Guru

‎2014-11-27 02:38 AM

Posted on November 27, 2014 at 11:38

You mean in ETH_MACMIIAR?

It's the management port's (i.e. MDC) clock, and the management port is the same for both MII and RMII.

JW

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