89HPES64H16 Datasheet | Renesas

Overview The 89HPES64H16 is a member of the IDT PRECISE™ family of PCI Express® 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, munications, and embedded systems. Features - High Performance PCI Express Switch - Sixteen maximum switch ports - Eight main ports each of which consists of 8 Ser Des - Each x8 main port can further bifurcate to 2 x4-ports - Sixty-four 2.5 Gbps embedded Ser Des - Supports pre-emphasis and receive equalization on per-port basis - Delivers 256 Gbps (32 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 pliant - Flexible Architecture with Numerous Configuration Options - Port arbitration schemes utilizing round robin algorithms - Virtual channels arbitration based on priority - Automatic per port link width negotiation to x8, x4, x2 or x1 - Automatic lane reversal on all ports - Automatic polarity inversion on all lanes - Supports locked transactions, allowing use with legacy soft- ware - Ability to load device configuration from serial EEPROM - Ability to control device via SMBus - Highly Integrated Solution - Requires no external ponents - Incorporates on-chip internal memory for packet buffering and queueing - Integrates sixty-four 2.5 Gbps embedded full duplex Ser Des, 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 Block Diagram x8/x4/x2/x1 Ser Des DL/Transaction Layer x8/x4/x2/x1 Ser Des DL/Transaction Layer x8/x4/x2/x1 Ser Des DL/Transaction Layer x8/x4/x2/x1 Ser Des...