T8207 Datasheet, PDF (1/158 Pages) Agere Systems – ATM Interconnect

Advance Data Sheet
September 2001
CelXpres™ T8207
ATM Interconnect
1 Product Overview
1.1 Features
s > OC-3 transport capability
s UTOPIA level 1 and 2 (8-bit) cell-level handshake
interface (ATM or PHY layers)
s 32 multi-PHY (MPHY) operation
s Shared UTOPIA mode
s Egress SDRAM buffer support to expand UTOPIA
output priority queues for 32K to 512K cells:
— 64 queues configurable up to four queues per
PHY with programmable sizes
— Programmable number of UTOPIA output
queues with four levels of priority
s Support of ATM traffic management via partial
packet discard (PPD), forward explicit congestion
notification (FECN), and the cell loss priority (CLP)
bit
s Programmable slew rate GTL+ I/O:
— 1.7 Gbits/s cell bus operation
— Programmable as bus arbiter
s Flexible per port cell counters
s Cell header translation and insertion with virtual
path identifier (VPI) and virtual channel identifier
(VCI) via external SRAM (up to 64K entries)
s Support of network node interface (NNI) and user
network interface (UNI) header types with optional
generic flow control (GFC) insertion
s Programmable operations and maintenance and
resource management (OAM/RM) cell routing
s Support of multicast and broadcast cells per PHY
s Programmable priority for control/data cells trans-
mission onto cell bus
s Eight GPIO pins
s JTAG support
s Optional monitoring of misrouted cells
s Microprocessor interface, supporting both Motor-
ola^® and Intel^® modes (multiplexed and nonmulti-
plexed)
s Control cell transmission and reception through
microprocessor port
s Single 3.3 V power supply
s 3.3 V TTL I/O (5 V tolerant)
s 272-pin PBGA package
s Industrial temperature range (–40 °C to +85 °C)
s Hot insertion capability
s Compatible with Transwitch CellBus^®
1.2 Applications
s Asymmetric digital subscriber line (ADSL) digital
subscriber line access multiplexer (DSLAMs)
s Access gateways
s Access multiplexers/concentrators
s Multiservice access equipment platforms