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Zarlink Semiconductor

ZL50411 Datasheet Preview

ZL50411 Datasheet

Managed 9FE Layer-2 Ethernet Switch

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ZL50411
Managed 9FE Layer-2 Ethernet Switch
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Data Sheet
Zarlink Features
• Integrated Single-Chip 10/100 Mbps Ethernet
Switch
• Eight 10/100 Mbps auto-negotiating Fast
Ethernet (FE) ports with RMII, MII, GPSI,
Reverse MII & Reverse GPSI interface options
• One 10/100 Mbps auto-negotiating port with
MII interface option, that can be used as a
WAN uplink or as a 9th port
• a 10/100 Mbps Fast Ethernet (FE) CPU port
with Reverse MII interface option
• Embedded 2.0 Mbits (256 KBytes) internal
memory for control databases and frame data
buffer
• Supports jumbo frames up to 4 KBytes
• CPU access supports the following interface
options:
• 8/16-bit ISA interface
• Serial interface with MII port; recommended
for light management
• Serial interface in lightly managed mode, or in
unmanaged mode with optional I2C EEPROM
interface
• Ethernet IEEE 802.3x flow control for full duplex
ports, back pressure flow control for half duplex
ports
April 2006
Ordering Information
ZL50411GDG 208-Ball LBGA
ZL50411GDG2 208-Ball LBGA**
**Pb Free Tin/Silver/Copper
-40°C to +85°C
• Built-in reset logic triggered by system
malfunction
• Built-In Self Test for internal SRAM
• IEEE-1149.1 (JTAG) test port
L2 Switching
• L2 switching
• MAC address self learning, up to 4 K MAC
addresses
• MAC address table supports unicast and
multicast MAC address and IP multicast
address learning
• Supports IP Multicast with IGMP snooping, up to
4 K IP Multicast groups
8/16-bit
or
C Serial
P
U
MII
I2C
EEPROM
ZL50411
9-Port 10/100M
Ethernet Switch
RMII / MII / GPSI
MII 10/100
PHY
Quad
10/100
PHY
Quad
10/100
PHY
Figure 1 - System Block Diagram
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003-2006, Zarlink Semiconductor Inc. All Rights Reserved.




Zarlink Semiconductor

ZL50411 Datasheet Preview

ZL50411 Datasheet

Managed 9FE Layer-2 Ethernet Switch

No Preview Available !

ZL50411
Data Sheet
• Supports the following spanning standards
• IEEE 802.1D spanning tree
• IEEE 802.1w rapid spanning tree
• Supports Ethernet multicasting and broadcasting and flooding control
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VLAN Support Features
• Supports the following VLAN standards
• port-based VLAN
• IEEE 802.1Q tag-based VLAN, up to 4 K VLANs
• Supports both shared VLAN learning (SVL) and independent VLAN learning (IVL) of MAC addresses
• Limited support for VLAN stacking (“Q-in-Q”)
• Supports Private VLAN Edge (Protected Ports)
Classification and Security
• Search engine classification
• Classifies packets based on single field
- Source and destination L4 logical ports, or
- TOS/DS, or
- VLAN (IEEE 802.1p), or
- Physical port
• Assigns a transmission priority and drop precedence
• Packet filtering and security
• Static address filtering for source and/or destination MAC addresses
• Static MAC address not subject to aging
• Secure mode freezes MAC address learning (each port may independently use this mode)
• IEEE 802.1x access control
• Port-based priority: VLAN priority in a tagged frame can be overwritten by the priority of port VLAN ID
Traffic Management
• Two (2) transmission classes for FE ports and four (4) transmission classes for uplink port
• Scheduling using weighted fair queuing (WFQ) or strict priority (SP) discipline
• At egress, per-queue weighted random early discard (WRED) with 2 drop precedence levels
• Configurable WRED thresholds
• For FE ports, supports ingress and egress rate control
• Bandwidth rationing, Bandwidth on demand, SLA (Service Level Agreement)
• Granularity of rate regulation to 16 Kbps
• Ingress rate regulated using WRED, with 2 drop precedence levels, or flow control
• Output traffic regulation per class available on uplink port
• Fully supports Differentiated Services' Expedited and Assured Forwarding (EF and AF) per-hop behaviours
• Intelligent buffer management
• Achieves high buffer utilization while ensuring fairness among traffic classes and ports
• Buffer reservations per class and per source port
• Failover Features
• Rapid link failure detection using hardware-generated heartbeat packets
• link failover in less than 50 ms
• Supports concentration mode
2
Zarlink Semiconductor Inc.


Part Number ZL50411
Description Managed 9FE Layer-2 Ethernet Switch
Maker Zarlink Semiconductor
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ZL50411 Datasheet PDF






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