ZL50418 Overview
ZL50418 Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch Data Sheet Features 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. ZL50418 • Traffic Classification • 4 transmission priorities for Fast Ethernet ports with 2 dropping levels • Classification based on: - Data Sheet Port based 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 QoS Support • Supports IEEE 802.1p/Q Quality of Service with 4 transmission priority queues with delay bounded, strict priority, and WFQ service disciplines • Provides 2 levels of dropping precedence with WRED mechanism • User controls...
ZL50418 Key Features
- 16 10/100 Mbps Autosensing, Fast Ethernet Ports with RMII or Serial Interface (7WS). Each port can independently use one
- 2 Gigabit Ports with GMII, PCS and 10/100 interface options per port
- Gigabit port supports hot swap in managed configuration
- Supports 8/16-bit CPU interface in managed mode
- Serial interface in unmanaged mode
- Supports two Frame Buffer Memory domains with SRAM at 100 MHz
- Supports memory size 2 MB, or 4 MB
- Two SRAM domains (2 MB or 4 MB) are required
- Applies centralized shared memory architecture
- Up to 64 K MAC addresses