5-Lane 5-Port PCI Express Switch
www.DataSheet4U.com
5-Lane 5-Port PCI Express® Switch
®
89PES5T5 Data Sheet
Advance Information*
Device Overview
◆
...
Description
www.DataSheet4U.com
5-Lane 5-Port PCI Express® Switch
®
89PES5T5 Data Sheet
Advance Information*
Device Overview
◆
The 89HPES5T5 is a member of IDT’s PRECISE™ family of PCI Express switching solutions. The PES5T5 is an 5-lane, 5-port peripheral chip that performs PCI Express Base switching. It provides connectivity and switching functions between a PCI Express upstream port and up to four downstream ports and supports switching between downstream ports.
◆
◆
Features
◆
◆
High Performance PCI Express Switch – Five 2.5Gbps PCI Express lanes – Five switch ports – Upstream port is x1 – Downstream ports are x1 – Low-latency cut-through switch architecture – Support for Max Payload Sizes up to 256 bytes – One virtual channel – Eight traffic classes – PCI Express Base Specification Revision 1.1 compliant Flexible Architecture with Numerous Configuration Options – Automatic lane reversal on all ports – Automatic polarity inversion – Ability to load device configuration from serial EEPROM Legacy Support – PCI compatible INTx emulation – Bus locking
◆
◆
Highly Integrated Solution – Requires no external components – Incorporates on-chip internal memory for packet buffering and queueing – Integrates five 2.5 Gbps embedded SerDes with 8B/10B encoder/decoder (no separate transceivers needed) Reliability, Availability, and Serviceability (RAS) Features – Internal end-to-end parity protection on all TLPs ensures data integrity even in systems that do not implement end-to-end CRC ...
Similar Datasheet