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Alternate Functions

MehranMsba
Associate II

‎2014-04-29 08:16 AM

Posted on April 29, 2014 at 17:16

[STM32F107RC]

I use MCO pin for generating RMII clock.I want to activate USART1 too.(I only need RX,TX,RTS and CTS pins of USART1)

USART1_CK is duplicated with MCO pin and I dont need USART1_CK.(remap is not possible)

Is there any problem with MCO and USART1_CK when I activate MCO pin?

Thanks.
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Tesla DeLorean
Guru

‎2014-04-29 08:22 AM

Posted on April 29, 2014 at 17:22

In async mode the USART shouldn't need to use the CK pin, but this is something you'd need to validate to your own satisfaction.

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