Mity CPU Platforms » MitySOM-AM57X

03/07/2024

JC 09:31 PM PCB Development: RE: Ethernet Connectivity issues with DP83822

Sandeep Sivadas wrote in message#6587:
> Q: Do the link lights on the ethernet jack also go on and off?
> ...
If the phy link goes up and down, we can ignore the processor side of things. The phy itself handles establishing a link. ... Jonathan Cormier

SS 04:36 PM PCB Development: RE: Ethernet Connectivity issues with DP83822

Q: Do the link lights on the ethernet jack also go on and off?
Yes. Left side led of RJ45 is go on and off. When we connect to PC, the ethernet link is showing not connected.
With regards
Sandeep S Sandeep Sivadas

JC 02:41 PM PCB Development: RE: Ethernet Connectivity issues with DP83822

Sandeep Sivadas wrote:
> Hi,
> ...
Do the link lights on the ethernet jack also go on and off?
>
> ...
I don't see anything wrong with your schematic.
>
> ...
Jonathan Cormier

SS 11:35 AM PCB Development: Ethernet Connectivity issues with DP83822

Hi,
We designed our own custom AM5728 board with two DP83822 PHYs. Desired phy address are phy0 and phy 1.
In the schematic shown , we removed R219 to make it to PHY 1. The other DP83822 has COL pin pull down with 2.2k resistance is... Sandeep Sivadas