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带E, F后缀的都可以,请看数据手册10.1.2 Device Naming Convention
https://www.ti.com/lit/ds/symlink/am2432.pdf
请看下面的帖子说明。
Feature "E" enables "ICSS + EtherCAT HW Accelerator + CAN-FD Enabled". ICSS enablement provides ICSS capabilities provided in our SDK that are unrelated to the Pre-integrated stack. These are features like PRP will be enabled in November. "EtherCAT.HW Accelerator" enables the EtherCAT and specifically Beckhoff stack with E. Beckhoff requires specific licensing for EtherCAT enablement.
Feature "F" enables "E" features and is the only feature designator that enables the pre-integrated stacks. It enables all features in the SDK, the Beckhoff EtherCAT stack, and the pre-integrated stacks offered by TI with Kunbus (PROFINET, EtherCAT, EtherNet/IP, IO-Link). It will give the customer the choice to use Beckhoff stack or Kunbus stack for EtherCAT.
https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/1039720/am2431-ethercat-implementation-with-am2431