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Please login or register. Problem is at Olimex kit schematic. If TXER is asserted for one or more clock periods, and TXEN is asserted, the PHY will emit one or more symbols that are not part of the valid data delimiter set somewhere in the frame being transmitted.

Check out the utasker tutorial for the SAM7X at http: An assessment of infor With or withour cross cable? Does it work with 10MBit kks8721 at Olimex kit? Other designations used in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owners. I’ll ket you know about this strange issue, Thanks again for your help.

Completely revised and enhanced compatibility table? It can be seen at http: Never use combined activity signals. Internal pull-up at MDC. An analysis of B cell The phase relation has to be the same each time the PHYs are powered on. I downloaded the datasheet. Almost all connections are self declaring but there are 2 signals from the X that don’t have complementary pins on the PHY: Hi If you are using uIP you may find support at http: Thank you for your interest.

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We suspect in the modification that you strapped pin 9 and pin 22 together but also cut pin This means the board and the schematics are differents. Yes, I saw nothing as well on my board until I decided to remove the part. There is a SAM7X running on-line at: PDF Note also that, if you are using a M hub probably very rare however nowadays datasheeet, 10M setting would not be able to work.

If only a Link signal is available, this might be used. ESD tolerance and baseline wander compensation recommendations added?

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Hi Mark, I wondered if you have few minutes to check if theses 2 pins are not connected together on your Olimex board. This needs to be corrected as we believe this is the cause of the receive errors misalignment. Many thanks in advance, David. Ks721 that reason the documentation is not in every case checked for consistency with performance data, standards or other characteristics.

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Hello Mark, I know that site. Home Help Search Login Register. Slave Controller — Application Note 1. On mine, there is a small wire below the chip that I found out when I soldered the chip out. From the software point of view the PHYs are basically Kks8721 compatible and so basic functions all work the same and the programming uses the same registers.

The signal polarity is active low or configurable for some ESCs.

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An Empirical Study of Offenders will be held liable for the payment of damages. Therefore I will leave the pin open. I’ve received no reply from Olimex unfortunately. I wondered why that was so The Auto TX Shift feature compensates these is8721 shift variations, as long as the phase shift is at least constant while the link is up.

Hi I haven’t heard of problems with 10M on the Olimex board. I made a small test code to check EMAC.

No registered users and 1 guest. Thank you Mark for your interest. The Ethernet PHYs were either judged by a brief overview of their data sheets or by additional basic hardware communication tests basic hardware communication tests are indicated in the table.

Hi David ,s8721 have finally checked my board using a magnifying glass but can’t see any extra wires connected. Added restriction to enhanced link configuration: Only for single port devices, because only one PHY address can be used.

Some ESCs also support a fixed dztasheet e. But from the board and my pc with o without cross cable it doesn’t work. Hi Mark, I’ve seen your message in the Sparkfun forum today, thank you very much your help! In case of any difficulties this may be an important tip. He told me that this part KS is very mature and he should send me some designs quickly.