VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
VSC880
Features
鈥?16x16 Synchronous Serial Crosspoint Switch
鈥?Serial Data Rates: 2.0Gb/s
鈥?32Gb/s Aggregate Data Bandwidth
鈥?Parallel Switches Can Increase Data Bandwidth in
Multiples of 32Gb/s
鈥?Designed in Conjunction with the VSC870
Backplane Transceiver
鈥?Automatic Word and Cell Synchronization to the
Transceiver
鈥?Two Modes of Operation: Distributed Control
Self-routing
Packet Mode
and Central Control
Cell Mode
鈥?Multicast Supported in All Modes
High Performance 16x16
Serial Crosspoint Switch
鈥?Supports Variable Length Packets in Packet
Mode
鈥?Built-in Flow Control Channel in Packet Mode
鈥?Supports Cell Synchronization in Cell Mode
鈥?Parallel CPU Interface and Parallel Switch
Configuration Interface
鈥?Loopback, Built-in Self Test and Scan Functions
鈥?5V Tolerant TTL Inputs
鈥?Dual 3.3V/2.5V or Dual 3.3V/2.0V Power
Supplies
鈥?Serial Port Quadrants Can be Powered Down
鈥?Available in 304 BGA Package
VSC880 Block Diagram
Serial Port (16x)
TXS+/TXS-
Switch Matrix
Parallel
to
Serial
VSCTE
VSCIPNC
VSCOPNC
MEN
FACLPBK
CMODE
TESTEN
SCANIN
SCANOUT
Port
Logic
RXS+/RXS-
DRU
Serial
to
Parallel
WCLK
REFCLK
TCLKEN
LOCKDET
CCLK
RESET
BSTLPBK
BSTEN
BSTRST
BSTPASS
Arbitration Logic
and Switch Control
Registers
CEN
DATA[15:0]
FI[3:0]
WEN
CMU
Clock
Gen
ADDR[5:0]
Status and
Control Registers
CDATA[7:0]
CWEN
CSEL
INT
RESYNEN
BIST Logic
G52191-0, Rev 4.2
01/05/01
漏
VITESSE
SEMICONDUCTOR CORPORATION
鈥?741 Calle Plano 鈥?Camarillo, CA 93012
Tel: (800) VITESSE 鈥?FAX: (805) 987-5896 鈥?Email: prodinfo@vitesse.com
Internet: www.vitesse.com
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