SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
When IET is enabled through CPSW3_CONTROL_REG[17] IET_ENABLE = 1h and configured, IET allows premptable traffic on selected transmit priorities to be prempted by express traffic on selected express priorities. Received traffic is separated onto express and prempt receive queues. When IET is disabled (IET_ENABLE = 0h), all Ethernet traffic is express traffic and switch operation is as if IET does not exist. Traffic is only intended to be moved to the prempt queue after premption is verified and enabled.