When operating ADIN1100 in media converter mode, which part configures and onboard ADIN1200 over RGMII is it the ADIN1100 or the Cortex MCU?
On the EVAL-ADIN1100 board the ADIN1200 can be configured over the MDIO bus, which can be done in one of two ways. Through the Cortex MCU which is accessible through the uUSB connector, or on the MDIO bus directly through the external MDIO host connector.
Thank you so much for your prompt reply. I do have a follow up question because it puzzles me how this operates.
When I configure EVAL-MDIN1100 in media converter mode using the CFG switches, the ADIN1100 operates in media converter mode automatically using the on board ADIN1200 as external PHY but who configures the ADIN1200 in this mode? Is it the on board MCU through the MDIO interface or the AD1100 via the RGMII interface?
We're looking to implement a standalone media converter in our end application and I'm getting puzzled by the partial guidance. Is it possible to have ADIN110 & ADIN1200 based media converter that will operate without any MCU intervention or should we have an MCU that will configure the PHY on boot and then let it operate via RGMII?
I will really appreciate your thoughts specifically on this configuration.
Thank you very much!
The ADIN1200 is not configured over RGMII, it is configured over the MDIO bus. For media converter applications it is recommended that an MCU is used to configure the ADIN1200 over the MDIO bus with the following writes.