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89HPES12N3A

IDT
Part Number 89HPES12N3A
Manufacturer IDT
Description 12 Lane 3-Port PCI Express Switch
Published Oct 1, 2007
Detailed Description www.DataSheet4U.com 12 Lane 3-Port PCI Express® Switch 89HPES12N3A Product Brief Device Overview The 89HPES12N3A, a ...
Datasheet PDF File 89HPES12N3A PDF File

89HPES12N3A
89HPES12N3A

Overview
www.
DataSheet4U.
com 12 Lane 3-Port PCI Express® Switch 89HPES12N3A Product Brief Device Overview The 89HPES12N3A, a 12 lane 3-port PCI Express® switch, is a member of the IDT PRECISE™ family of PCI Express switching solutions.
The PES12N3A is a peripheral chip that performs PCI Express Packet switching with a feature set optimized for high performance applications such as servers and storage.
It provides connectivity and switching functions between a PCI Express upstream port and two downstream ports or peer-to-peer switching between downstream ports.
The 89HPES12N3A offers an enhanced architecture and feature set in a package that is pin-compatible with the first generation 89HPES12N3 12-lane, 3-port PCIe switch.
Features ◆ High Performance PCI Express Switch – Twelve 2.
5Gbps PCI Express lanes – Three switch ports – Upstream port configurable up to x4 – Downstream ports configurable up to x4 – Low-latency cut-through switch architecture – Support for Max Payload Sizes up to 2048 bytes – One virtual channel – Eight traffic classes – PCI Express Base Specification Revision 1.
1 compliant Flexible Architecture with Numerous Configuration Options – Automatic per port link width negotiation to x4, x2 or x1 – Automatic lane reversal on all ports – Automatic polarity inversion on all lanes – 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 twelve 2.
5 Gbps embedded SerDes with 8B/10B encoder/decoder (no separate transceivers needed) ◆ Reliability, Availability, and Serviceability (RAS) Features – Supports ECRC and Advanced Error Reporting – 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 PCI Express Native Hot-Plug, Hot-Swap capable I/O – Compatible with Hot...


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