21140-AF to 21143-xD Upgrade Application Note

The purpose of this document is to provide customers of the 21140-AF with information to upgrade to a new and more powerful Ethernet controller device, the 21143-xD.

This document describes how to upgrade your designs from the 21140-AF (order number 21140-AF) to the 21143-xD (order numbers 21143-PD and 21143-TD). It also describes register-level differences, and serves as a convenient reference for upgrading customer-developed 21140-AF drivers to work with the 21143-xD.

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