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89HPES64H16 Datasheet

  • 89HPES64H16

  • 64-Lane 16-Port PCI Express System Interconnect Switch

  • 1076.25KB

  • 49頁

  • IDT

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64-Lane 16-Port PCI Express廬
System Interconnect Switch
廬
89HPES64H16
Data Sheet
Device Overview
The 89HPES64H16 is a member of the IDT PRECISE鈩?family of
PCI Express廬 switching solutions. The PES64H16 is a 64-lane, 16-port
system interconnect switch optimized for PCI Express packet switching
in high-performance applications, supporting multiple simultaneous
peer-to-peer traffic flows. Target applications include servers, storage,
communications, and embedded systems.
鈼?/div>
Features
鈼?/div>
High Performance PCI Express Switch
鈥?Sixteen maximum switch ports
鈥?/div>
Eight main ports each of which consists of 8 SerDes
鈥?/div>
Each x8 main port can further bifurcate to 2 x4-ports
鈥?Sixty-four 2.5 Gbps embedded SerDes
鈥?/div>
Supports pre-emphasis and receive equalization on per-port
basis
鈥?Delivers 256 Gbps (32 GBps) of aggregate switching capacity
鈥?Low-latency cut-through switch architecture
鈥?Support for Max Payload Size up to 2048 bytes
鈥?Supports two virtual channels and eight traffic classes
鈥?PCI Express Base Specification Revision 1.1 compliant
鈼?/div>
鈼?/div>
Flexible Architecture with Numerous Configuration Options
鈥?Port arbitration schemes utilizing round robin algorithms
鈥?Virtual channels arbitration based on priority
鈥?Automatic per port link width negotiation to x8, x4, x2 or x1
鈥?Automatic lane reversal on all ports
鈥?Automatic polarity inversion on all lanes
鈥?Supports locked transactions, allowing use with legacy soft-
ware
鈥?Ability to load device configuration from serial EEPROM
鈥?Ability to control device via SMBus
Highly Integrated Solution
鈥?Requires no external components
鈥?Incorporates on-chip internal memory for packet buffering and
queueing
鈥?Integrates sixty-four 2.5 Gbps embedded full duplex SerDes,
8B/10B encoder/decoder (no separate transceivers needed)
Reliability, Availability, and Serviceability (RAS) Features
鈥?Redundant upstream port failover capability
鈥?Supports optional PCI Express end-to-end CRC checking
Block Diagram
x8/x4/x2/x1
x8/x4/x2/x1
x8/x4/x2/x1
x8/x4/x2/x1
SerDes
DL/Transaction Layer
SerDes
DL/Transaction Layer
SerDes
DL/Transaction Layer
SerDes
DL/Transaction Layer
Route Table
Port
Arbitration
16-Port Switch Core
Frame Buffer
Scheduler
DL/Transaction Layer
DL/Transaction Layer
DL/Transaction Layer
DL/Transaction Layer
SerDes
SerDes
SerDes
SerDes
x8/x4/x2/x1
x8/x4/x2/x1
x8/x4/x2/x1
x8/x4/x2/x1
64 PCI Express Lanes
Up to 8 x8 ports or 16 x4 Ports
Figure 1 Internal Block Diagram
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
1 of 49
漏
2007 Integrated Device Technology, Inc.
July 19, 2007

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