English
Language : 

ZL50408 Datasheet, PDF (1/132 Pages) Zarlink Semiconductor Inc – Managed 8-Port 10/100M 1-Port 10/100/1000M Ethernet Switch
ZL50408
Managed 8-Port 10/100M +
1-Port 10/100/1000M Ethernet Switch
Data Sheet
Features
• Integrated Single-Chip 10/100/1000 Ethernet
Switch
• Eight 10/100 Mbps auto-negotiating Fast
Ethernet (FE) ports with RMII, MII, GPSI,
Reverse MII & Reverse GPSI interface options
• One 10/100/1000 Mbps auto-negotiating port
with GMII & MII interface options, 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
• Operates stand-alone or can be cascaded with a
second ZL50408 to reach 16 ports
• 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 IP Multicast with IGMP snooping, up
to 4 K IP Multicast groups
• Supports the following spanning standards
- IEEE 802.1D spanning tree
- IEEE 802.1w rapid spanning tree
• Supports Ethernet multicasting and
August 2004
Ordering Information
ZL50408GDC
208 Pin LBGΑ
-40°C to +85°C
broadcasting and flooding control
• VLAN Support
• Supports port-based VLAN and tagged-based
VLAN (IEEE 802.1Q), up to 4 K VLANs
• Supports both shared VLAN learning (SVL)
and independent VLAN learning (IVL)
• CPU access supports the following interface
options:
• 8/16-bit parallel and Serial+MII interface in
managed mode
• Serial interface in lightly managed mode, or in
unmanaged mode with optional I2C EEPROM
interface
• Failover Features
• Rapid link failure detection using
8/16-bit
or
C
Serial
P
U
MII
ZL50408
GMII / MII
8-Port 10/100M + 1G
Ethernet Switch
I2C
EEPROM
10/100/
1000
PHY
RMII / MII / GPSI
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 2003-2004, Zarlink Semiconductor Inc. All Rights Reserved.