89HPES16H16集成電路（IC）的專用規(guī)格書PDF中文資料

Features

◆ High Performance PCI Express Switch

– Sixteen maximum switch ports

? Sixteen x1 ports

– Sixteen 2.5 Gbps embedded SerDes

? Supports pre-emphasis and receive equalization on per-port

basis

– Delivers 64 Gbps (8 GBps) of aggregate switching capacity

– Low-latency cut-through switch architecture

– Support for Max Payload Size up to 2048 bytes

– Supports two virtual channels and eight traffic classes

– PCI Express Base Specification Revision 1.1 compliant

◆ Flexible Architecture with Numerous Configuration Options

– Port arbitration schemes utilizing round robin algorithms

– Virtual channels arbitration based on priority

– Automatic polarity inversion on all lanes

– Supports locked transactions, allowing use with legacy software

– Ability to load device configuration from serial EEPROM

– Ability to control device via SMBus

◆ Highly Integrated Solution

– Requires no external components

– Incorporates on-chip internal memory for packet buffering and

queueing

– Integrates sixteen 2.5 Gbps embedded full duplex SerDes, 8B/

10B encoder/decoder (no separate transceivers needed)

◆ Reliability, Availability, and Serviceability (RAS) Features

– Redundant upstream port failover capability

– Supports optional PCI Express end-to-end CRC checking

– Internal end-to-end parity protection on all TLPs ensures data

integrity even in systems that do not implement end-to-end

CRC (ECRC)

– Supports optional PCI Express Advanced Error Reporting