The 2-port Gigabit Ethernet Switch (CPSW)
subsystem provides Ethernet packet communication for the device and
has the following main features:
- One
Ethernet port (port 1) 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
- 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)
- 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
- Address
Lookup Engine (ALE)
- 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)