SC220-40 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc
부품명
상세내역
제조사
SC220-40 Datasheet PDF : 34 Pages
| |||
PRELIMINARY
XpressFlow-2020 Series –
Ethernet Switch Chipset
INFORMATION
SC220
XpressFlow Engine
Characteristics Continue
t Built-in address to port resolution
◊ Embedded 32-bit HISC™ (High density
Instruction Set Core) Processor
◊ Optimized architecture for switch appli-
cations
◊ Loadable firmware for easy upgrade
t Supports unicast, multicast, and broadcast
frames
t Address Filtering
◊ Destination & Source MAC address
matching & filtering
t VLAN classification & verification
◊ Up to 62 groups
◊ Level 1 and 2 mapping
◊ VLAN ID tagging & stripping
◊ Auto padding if necessary after stripping
t Supports Store-&-Forward Frame Forward-
ing Mode
t Collects statistics for RMON
SC220
XpressFlow
Engine
HISC Core
CAM
32
ADDRESS
MAPPING
TABLE
SRAM
CONTROL
BUFFER
MEMORY
CAM
16
Interface
16
16
HISC
I/O
Registers
32
Control
Buffer
32
Memory
32 Interface
32
32
32
XpressFlow Bus
Interafce
32
XpressFlow BUS
32
Mngmt
Bus
Interface
32
32
32
Automatic
Buffer
Manager
Block Diagram –
SC220 XpressFlow Engine
Typical Application:
◊ A 16-port Ethernet Switch with 4-Fast Ethernet
© 1998 Vertex Networks, Inc.
1999
Address
Mapping
Table
Buffer
RAM
SC220
XpressFlow
Engine
Flash
ROM
RS232 Local
Control Console
Switch
Manager
CPU
DRAM
Management Bus
XpressFlow Bus
Buffer
RAM
EA208E
8-Port
Ethernet
Access
Controller
Buffer
RAM
EA208E
8-Port
Ethernet
Access
Controller
Buffer
RAM
EA234
4-Port
Ethernet
Access
Controller
8 Ethernet ports
8 Ethernet ports
Four 100M
Fast Ethernet ports
System Block Diagram --
16-Port Ethernet Switch with 4 Fast Ethernet Up-Links
2
Rev. 4.5 – February
Share Link: 