This application report outlines the necessary and potential steps for replacing the Microchip KSZ8081MNX/RNB 10/100 Mb/s Ethernet PHY with TI’s DP83826.
All trademarks are the property of their respective owners.
While the KSZ8081MNX/RNB and the DP83826 have many similarities, several extra features are included in the DP83826, improving performance and system optimization. This system rollover document outlines how to replace the Microchip KSZ8081MNX/RNB PHY with TI’s DP83826 by comparing differences including required external components, pin functions, feature set, and register operation. The impact to a design is dependent on the PHY configuration and features used. For more information on the DP83826 in EtherCAT applications, refer to 'How and Why to Use the DP83826E for EtherCAT Applications'.
This section describes the modifications required to transition from the KSZ8081MNX/RNB to the DP83826.