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STM32F76 RMII Errata: Any hack/workaround

Uwe Bonnes
Principal II
Posted on October 20, 2016 at 11:05

Despite several promises to keep us informed about the findings around the error with RMII in F76, only ''ask your FAE'' was posted here. Now silently Rev. 3 of the F76 errata appeared, stating ''No workaround''.

Does anybody have a hack to work somehow reliable with RMII on F76, as on the Nucleo-F769?

Thanks

B.t.w.: It is no more possible to reply to the threads around ETH on F76 that were posted not even  a month ago. Trying to reply, ''404'' is received as answer. It is not good, if people bring up really old threads, but not even a month is a time span to short i.m.h.o.
3 REPLIES 3
Posted on October 20, 2016 at 11:34

> B.t.w.: It is no more possible to reply to the threads around ETH on F76 that were posted not even  a month ago. Trying to reply, ''404'' is received as answer.

I've just [DEAD LINK /public/STe2ecommunities/mcu/Lists/STM32Discovery/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/STM32Discovery/Stm32F767%20Nucleo%20Ethernet%20does%20not%20always%20start&FolderCTID=0x01200200770978C69A1141439FE559EB459D75800084C20D8867EAD444A5987D47BE638E0F&currentviews=94]succeeded to do so. The 404 might've been one of the many of this forum software's quirks.

JW

Amel NASRI
ST Employee
Posted on October 20, 2016 at 12:43

Hi,

We confirm the Ethernet limitations as described in

http://www.st.com/content/ccc/resource/technical/document/errata_sheet/group0/23/a6/11/0b/30/24/46/a5/DM00257543/files/DM00257543.pdf/jcr:content/translations/en.DM00257543.pdf

.

We would like to inform you that a new device revision will be available to fix these limitations.

For more details, please contact your FAE or distributor.

-STM32 Forums Moderator

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

Amel NASRI
ST Employee
Posted on October 26, 2016 at 18:16

Hi,

The limitation ''Ethernet erroneous data received in RMII configuration'' is fixed in Revision Z of the STM32F76xxx and STM32F77xxx (see

http://www.st.com/content/ccc/resource/technical/document/errata_sheet/group0/23/a6/11/0b/30/24/46/a5/DM00257543/files/DM00257543.pdf/jcr:content/translations/en.DM00257543.pdf

).

-STM32 Forums Moderator

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.