NP3700 datasheet(2/4 Pages) ETC

2 / 4 page

Product Brief

nP3700

5-Gbps Network Processor with Integrated Traffic Manager

PB37xx / V0.92 / 053003

Empowering Intelligent Wide Area Networks

nP3700 Family Highlights

Interfaces

• Line Interfaces – cell and packet

• Support for Deep Channelization: for

OC-1s, T3/E3s, T1/E1s, etc.

• Fabric Interface: OIF SPI-4 Phase 2

- 800 MHz

• External Memory Interfaces:

RLDRAM II memory controllers

- Payload Memory – 2 banks of 36-bit

RLDRAM II or DDR SDRAM

operating at up to 250 MHz

(32 Gbps with ECC)

- Context Memory:

2 banks of 36-bit RLDRAM II or

DDR SRAM operating at up to

250 MHz (32 Gbps with ECC)

- Channel Service Memory:

One bank of 36-bit QDR-II SRAM

operating at up to 250 MHz

- Flow Database Memory:

Two banks of 18-bit QDR-II SRAM

operating at up to 250 MHz

• CPU Interfaces: PowerPC and

Gigabit Ethernet

• External Search Interface

- Compliant with NPF

- Backward compatibility mode with

existing TCAMs

• Debug port

• JTAG port

High Performance nPcores

• 3 nPCores at 700 MHz

Integrated Coprocessors

• Policy Engine for efficient packet

classification

• Special Purpose Unit (SPU) for per-

flow policing

• Hashing Unit

• On-Chip Debugger (OCD)

Integrated Traffic Manager

• Hierarchical Traffic Manager with

fine-grained flow-based traffic

management

• Leverages field-proven nPX5710 and

nPX5720 technology

SPI-3

SPI-4.2

nP3700

nP3700 Block Diagram

SPI3/UT3

SPI4.2

nPcores

3 cores @ 700 MHz

SPU

Packet Transform

Engine

Traffic

Manager

Queuing

Scheduling

(Switch

Fabric)

Channel

buffers

Policy

Engine

DRAM

CPU Interface

Debug

JTAG

PPC

Cache

Hash

Engine

Scratch

Pad

Memory Access Unit

NPF(QDR)

QDR

DRAM/SRAM

(Line/CPU)

SPI3/UT3

SPI4.2

nPcores

3 cores @ 700 MHz

SPU

Packet Transform

Engine

Traffic

Manager

Queuing

Scheduling

(Switch

Fabric)

Channel

buffers

Policy

Engine

DRAM

CPU Interface

Debug

JTAG

PPC

Cache

Hash

Engine

Scratch

Pad

Memory Access Unit

NPF(QDR)

QDR

DRAM/SRAM

(Line/CPU)

NP3700 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

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