89HPES32H8G2
89HPES32H8G2 is System Interconnect Switch manufactured by Renesas.
Overview
The 89HPES32H8G2 is a member of the IDT PRECISE™ family of PCI Express® switching solutions. The PES32H8G2 is a 32-lane, 8-port system interconnect switch optimized for PCI Express Gen2 packet switching in high-performance applications, supporting multiple simultaneous peer-to-peer traffic flows. Target applications include servers, storage, munications, embedded systems, and multi-host or intelligent I/O based systems with inter-domain munication.
Features
- High Performance Non-Blocking Switch Architecture
- 32-lane 8-port PCIe switch
- Four x8 switch ports each of which can bifurcate to two x4 ports (total of eight x4 ports)
- Integrated Ser Des supports 5.0 GT/s Gen2 and 2.5 GT/s Gen1 operation
- Delivers up to 32 GBps (256 Gbps) of switching capacity
- Supports 128 Bytes to 2 KB maximum payload size
- Low latency cut-through architecture
- Supports one virtual channel and eight traffic classes
- Standards and patibility
- PCI Express Base Specification 2.0 pliant
- Implements the following optional PCI Express features
- Advanced Error Reporting (AER) on all ports
- End-to-End CRC (ECRC)
- Access Control Services (ACS)
- Power Budgeting Enhanced Capability
- Device Serial Number Enhanced Capability
- Sub-System ID and Sub-System Vendor ID Capability
- Internal Error Reporting ECN
- Multicast ECN
- VGA and ISA enable
- L0s and L1 ASPM
- ARI ECN
- Port Configurability
- x4 and x8 ports
- Ability to merge adjacent x4 ports to create a x8 port
- Automatic per port link width negotiation (x8 → x4 → x2 → x1)
- Crosslink support
- Automatic lane reversal
- Autonomous and software managed link width and speed control
- Per lane Ser Des configuration
- De-emphasis
- Receive equalization
- Drive strength
- Switch Partitioning
- IDT proprietary feature that creates logically independent switches in the device
- Supports up to 8 fully independent switch partitions
- Configurable downstream port device...
