ZL50404 Datasheet, PDF (1/121 Pages) Zarlink Semiconductor Inc – Lightly Managed/Unmanaged 5-Port 10/100M Ethernet Switch

ZL50404
Lightly Managed/Unmanaged
5-Port 10/100M Ethernet Switch
Data Sheet
Features
• Integrated Single-Chip 10/100 Ethernet Switch
• Four 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
• L2 switching
• 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
August 2004
Ordering Information
ZL50404GDC
208 Pin LBGΑ
-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
C
P
Serial
U
EEPROM ^I2C
ZL50404
MII
5-Port 10/100M
Ethernet Switch
RMII / MII / GPSI
10/100
PHY
Quad
10/100
PHY
Figure 1 - System Block Diagram
1
Zarlink Semiconductor Inc.
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Copyright 2003-2004, Zarlink Semiconductor Inc. All Rights Reserved.