Preliminary Data Sheet
June 2000
CelXpres™ T8206
ATM Interconnect
1
Product Overview
1.1
Features
s
UTOPIA cell-level handshake interface (ATM or
PHY layers)
s
Multi-PHY (MPHY) operation
s
Programmable ATM layer supports up to 16 PHY
ports
s
Egress SDRAM buffer support to extend UTOPIA
output priority queues for 32K to 512K cells:
— 32 queues configurable up to four queues per
PHY with programmable sizes
— Programmable number of UTOPIA output
queues with four levels of priority
s
s
Support of ATM traffic management via partial
packet discard (PPD), forward explicit congestion
notification (FECN), and the cell loss priority (CLP)
bit
Controlled slew rate GTL+ I/O:
— Programmable as bus arbiter
— >1.5 Gbits/s cell bus operation
s
Support of multicast and broadcast addresses per
PHY
s
Optional monitoring of misrouted cells
s
Microprocessor interface, supporting both
Motorola 1 and Intel 2 modes (multiplexed and nonmultiplexed)
s
Control cell transmission and reception through
microprocessor port
s
Eight GPIO pins
s
JTAG support
s
Compatible with Transwitch CellBus3
s
Seamlessly extends WildWire™ central-site family
to the backplane
s
Single 3.3 V power supply
s
3.3 V TTL I/O (5 V tolerant)
s
272-pin plastic ball grid array (PBGA) package
s
Industrial temperature range (–40 °C to +85 °C)
1.2
Applications
s
Flexible per virtual channel (VC) cell counters
s
s
Cell header insertion with virtual path identifier
(VPI) and virtual channel identifier (VCI) translation
via external SRAM (up to 64K entries)
Asymmetric digital subscriber line (ADSL) digital
subscriber line access multiplexers (DSLAMs)
s
Access gateways
s
Access multiplexers/concentrators
s
Multiservice platforms
s
s
Support of network node interface (NNI) and user
network interface (UNI) header types with optional
generic flow control (GFC) insertion
Programmable operations and maintenance and
resource management (OAM/RM) cell routing
1. Motorola is a registered trademark of Motorola, Inc.
2. Intel is a registered trademark of Intel Corporation.
3. Transwitch and CellBus are registered trademarks of Transwitch
Corp.