TXC-06885BIOG Transwitch Corporation, TXC-06885BIOG Datasheet - Page 10

• Manufacturer Part Number: TXC-06885BIOG
• Manufacturer: Transwitch Corporation

Specifications of TXC-06885BIOG

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

Envoy-CE4 Device
DATA SHEET
TXC-06885
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2.1.1 Media Access Controller (MAC)
The Envoy-CE4 has 4 Configurable Media Access Controllers (MACs):
Each MAC can be configured as:
Possible Envoy-CE4 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
- Configurable MAC C services ports 16 to 23
- Configurable MAC D services ports 24 to 31
• 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
• 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-
- 32 Fast Ethernet Ports
- 4 Gigabit Ethernet Ports
- 24 Fast Ethernet Ports and 1 Gigabit Ethernet Port
- 16 Fast Ethernet Ports and 2 Gigabit Ethernet Ports
- 8 Fast Ethernet Ports and 3 Gigabit Ethernet Ports
- 8 Fast Ethernet Ports (Extended SMII Mode) with larger buffers (31 KBytes of Ingress
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
• Minimum frame size = 64 bytes
• Maximum frame size = 12 KBytes
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Functional Description
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PRELIMINARY TXC-06885-MB, Ed. 6A
February 2005