TXC-06880BIOG Transwitch Corporation, TXC-06880BIOG Datasheet - Page 11

• Manufacturer Part Number: TXC-06880BIOG
• Manufacturer: Transwitch Corporation

Specifications of TXC-06880BIOG

• Operating Supply Voltage (typ): 1.8/3.3V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

PRELIMINARY TXC-06880-MB, Ed. 4
February 2005
2.1.1 Media Access Controller (MAC)
The Envoy-CE2 has 2 Configurable Media Access Controllers (MACs):
Each MAC can be configured as:
Possible Envoy-CE2 Configurations:
The main features supported by each Configurable MAC are:
- Configurable MAC A services ports 0 to 7
- Configurable MAC B services ports 8 to 15
• 8 Fast Ethernet ports with 7.75 KBytes of Ingress buffering and 4 KBytes of Egress
• 1 Gigabit Ethernet port with 62 KBytes of Ingress buffering and 32 KBytes of Egress
• 2 Fast Ethernet ports with 31 KBytes of Ingress buffering and 16 KBytes of Egress
- 16 Fast Ethernet Ports
- 2 Gigabit Ethernet Ports
- 8 Fast Ethernet Ports and 1 Gigabit Ethernet Port
- 4 Fast Ethernet Ports (Extended SMII Mode) with larger buffers (31 KBytes of Ingress
• Compliant to IEEE 802.3, 802.3i, 802.3u, 802.3x, 802.3z
• Full Duplex and Half Duplex (CSMA/CD) operation per configurable MAC
• Connection to standard 10/100 Mbit/s Fast Ethernet PHY devices via SMII interface
• Connection to Multi-rate 10/100/1000 Mbit/s Gigabit Ethernet PHY devices via GMII/
• Frame Integrity Verification (FCS and length checks)
• Errored Frames can be configured to be filtered
• Programmable Inter-Packet Gap (IPG) between Ethernet frames
• Programmable maximum frame length
• Support for VLAN tagged frame transmission
• Programmable High and Low FIFO watermarks for space and frame/chunk availabil-
• MAC control sublayer provides support for control frames including PAUSE frames
• Automatic PAUSE Frame Generation and Termination
• 62 KByte ingress FIFO per Configurable MAC
• 32 KByte egress FIFO per Configurable MAC
• Far end switch side loopback for diagnostic capability
• Packet statistics and performance monitoring support for Remote Network Monitoring
buffering per port supporting 10/100 Mbit/s data rates via SMII.
buffering per port supporting 10/100/1000 Mbit/s data rates via GMII/MII.
buffering per port supporting 10/100 Mbit/s data rates via SMII. (Extended SMII Mode).
Buffering and 16 KBytes of Egress Buffering per port).
MII interface
ity generation
(RMON)
• Minimum frame size = 64 bytes
• Maximum frame size = 12 KBytes
- Functional Description -
OR
OR
Envoy-CE2 Device
DATA SHEET
TXC-06880
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