Datasheet > IXF6401

IXF6401

更新时间： 2024-11-11 20:11:39

品牌	Logo	应用领域
LevelOne		ATM 异步传输模式
页数	文件大小	规格书
30页	303K
描述
ATM/SONET/SDH IC, CMOS, PBGA352

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IXF6401 数据手册

Data Sheet

JUNE 2000

Revision 0.2

IXF6401

Broadband Access Processor

General Description

Features

Flexibility, scalability, effficiency & integration of

different traffic types for a single network is the beauty of

the IXF6401 Broadband Access Processor. Enabling ease

of OEM development, the IXF6401 provides industry

standard interfaces for 64-bit/66 Mhz PCI Bus, 64-bit

SSRAM/SDRAM Local Memory (LM) Bus and UTOPIA

levels 1, 2 ATM & POS interfaces for direct coupling of a

broad range of Layer 1 physical interfaces.

• State of the Art Process Technology

• Sophisticated Buffer Management

• Comprehensive Support

• LANE Hardware Assist

• Wide Range of Applications

• PCI 2.1 Compliance

The IXF6401’s 64-bit, 66Mhz LM Bus acts in concert with

the 64-bit, 66 Mhz PCI Bus to provide up to 8 Gbps of bus

bandwidth. An on-board DMA “engine” controls access to

and from both the PCI Bus and the LM Bus and runs in

master or slave modes.

• Highest Performance

• Extensive VC Traffic Shaping & Policing

• Upper Layer Assist

• ATM & POS UTOPIA Support

The feature rich IXF6401 obtains its full speed by using

extensive & dedicated hardware-based state machines.

OEMs can use APIs that run on top of the 6401’s device

driver to achieve any value added differentiated service.

IXF6401

Block Diagram

Reassembly

Rx-UTOPIA

POS Interface

Rx-DMA

Rx- FIFO1

2KB

PCI

Master

64 bit

Receive DMA,

Receive Report

Generator

CMD Queue

Rx-packet

Enqueue Engine

8, 16 or 32 bit

66 MHz

Rx-DMA

CMD Queue

PCI

Slave

Traffic

Shaper

Time

Wheel

Scheduler

Packet

Pointer

PCI 2 LM

LM 2 PCI

CPU DMA

Buffer Pools

Manager

Packet

Enqueue

Engine

Slave

Segmentation

Packet Dequeue

Engine

Tx-UTOPIA

Tx- CRC 32

Generator

Tx-DMA

Tx- FIFO1

1KB

Master

64 bit

66 MHz

SSRAM

SDRAM

Interface

Transmit DMA,

Transmit Report

Generator

POS Interface

8, 16 or 32 bit

CMD Queue

Tx-DMA

CMD Queue

CD00016

12 3 4 5 6 7...30

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