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Zarlink Semiconductor

ZL50400 Datasheet Preview

ZL50400 Datasheet

Lightly Managed/Unmanaged 9-Port 10/100 M Ethernet Switch

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Features
• Integrated Single-Chip 10/100 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
• Embedded 2 Mbits (256 KBytes) internal memory
• supports up to 4 K byte frames
www.DataLS2hesewt4itUc.hcionmg
• MAC address self learning, up to 4 K MAC
addresses using internal table
• Supports the following spanning standards
- IEEE 802.1D spanning tree
- IEEE 802.1w rapid spanning tree
• Supports Ethernet multicasting and
broadcasting and flooding control
• VLAN Support
• Supports port-based VLAN
• CPU access supports the following interface
options:
• Serial interface in lightly managed mode, or in
unmanaged mode with optional I2C EEPROM
interface
ZL50400
Lightly Managed/Unmanaged
9-Port 10/100 M Ethernet Switch
Data Sheet
January 2005
Ordering Information
ZL50400GDC
208 Pin LBGA
-40°C to +85°C
• Failover Features
• Rapid link failure detection using
hardware-generated heartbeat packets
• link failover in less than 50 ms
• Rate Control (both ingress and egress)
• Bandwidth rationing, Bandwidth on demand,
SLA (Service Level Agreement)
• Smooth out traffic to uplink port
• Ingress Rate Control
- Back pressure
- Flow Control
- WRED (Weighted Random Early Discard)
• Egress Rate Control
• Down to 16 kbps Rate Control granularity
• Per queue traffic shaper on uplink port
C
P Serial
U
EEPROM I2C
ZL50400
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 2003-2005, Zarlink Semiconductor Inc. All Rights Reserved.




Zarlink Semiconductor

ZL50400 Datasheet Preview

ZL50400 Datasheet

Lightly Managed/Unmanaged 9-Port 10/100 M Ethernet Switch

No Preview Available !

ZL50400
Data Sheet
• Packet Filtering and Port Security
• Static address filtering for source and/or destination MAC
• Static MAC address not subject to aging
• Secure mode freezes MAC address learning (each port may independently use this mode)
• Supports port authentication (IEEE 802.1x)
• QoS Support
• Supports IEEE 802.1p/Q Quality of Service with 2 transmission priority queues (4 for uplink port), with
strict priority and/or WFQ service disciplines
• Provides 2 levels of dropping precedence with WRED mechanism
• User controls the WRED thresholds.
• Buffer management: per class and per port buffer reservations
• Port-based priority: VLAN priority in a tagged frame can be overwritten by the priority of Port VLAN ID
• Supports per-system option to enable flow control for best effort frames even on QoS enabled ports
• Classification based on:
www.DataShePeot4rtU.bcaosmed priority
• VLAN Priority field in VLAN tagged frame
• DS/TOS field in IP packet
• UDP/TCP logical ports: 8 hard-wired and 8 programmable ports, including one programmable range
• The precedence of the above classifications is programmable
• Supports IEEE 802.3ad link aggregation
• Up to 8 trunk groups, with up to 8 ports per group
• Supports load sharing among trunk ports based on:
- Source port
- Source and/or destination MAC address
• Supports module hot swap on all ports
• MIB Statistics counters for all ports
• Full Duplex Ethernet IEEE 802.3x Flow Control
• Backpressure flow control for Half Duplex ports
• Hardware auto-negotiation through MII management interface (MDIO) for Ethernet ports
• Built-in reset logic triggered by system malfunction
• Built-In Self Test for internal SRAM
• IEEE-1149.1 (JTAG) test port
2
Zarlink Semiconductor Inc.


Part Number ZL50400
Description Lightly Managed/Unmanaged 9-Port 10/100 M Ethernet Switch
Maker Zarlink Semiconductor
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ZL50400 Datasheet PDF






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