The 3-port CPSW0 subsystem provides the following features:
- Two Ethernet ports (port 1 and 2) with selectable RGMII and RMII interfaces and an internal Communications Port Programming Interface (CPPI) port (port 0)
- Synchronous 10/100/1000 Mbit operation
- Flexible logical FIFO-based packet buffer structure
- Cut through switch support
- Eight priority level Quality Of Service (QOS) support (802.1p)
- Support for Audio/Video Bridging (P802.1Qav/D6.0)
- Support for IEEE 1588 Clock Synchronization (2008 Annex D, Annex E and Annex F)
- Timestamp module capable of time stamping external timesync events like Pulse-Per-Second and also generating Pulse-Per-Second outputs
- CPTS module that supports time stamping for IEEE1588 with support for 4 hardware push events and generation of compare output pulses
- DSCP Priority Mapping (IPv4 and IPv6)
- Energy Efficient Ethernet (EEE) support (802.3az)
- Flow Control Support (802.3x)
- Wire rate switching (802.1d)
- Non-Blocking switch fabric
- Time Sensitive Network Support
- IEEE P802.3br Interspersing Express Traffic
- IEEE 802.1Qbv Enhancements for Scheduled Traffic
- Address Lookup Engine (ALE)
- 512 ALE table entries
- Configurable number of addresses plus VLANs
- Wire rate lookup
- Host controlled time-based aging and/or auto-aging
- Spanning tree support
- L2 address lock and L2 filtering support
- MAC authentication (802.1x)
- Receive-based or destination-based Multicast and Broadcast rate limits
- MAC address blocking
- Source port locking
- OUI (Vendor ID) host accept/deny feature
- Configurable number of classifier/policers (32)
- VLAN support
- 802.1Q compliant
- Auto add port VLAN for untagged frames on ingress
- Auto VLAN removal on egress and auto pad to minimum frame size
- EtherStats and 802.3Stats Remote Network Monitoring (RMON) statistics gathering (per port statistics)
- Ethernet Mac transmit to Ethernet Mac receive Loopback mode (digital loopback) supported
- CPSGMII Loopback Modes (transmit to receive)
- Maximum frame size of 2024 bytes
- Management Data Input/Output (MDIO) module for PHY Management with Clause 45 support
- Programmable interrupt control with selected interrupt pacing
- Host port CPPI Streaming Packet Interface (CPPI_GCLK)
- Digital loopback and FIFO loopback modes supported
- Emulation support
- Full duplex mode supported in 10/100/1000 Mbps. Half-duplex mode supported only in 10/100 Mbps modes only.
- RAM Error Detection and Correction (SECDED)