89HPES12NT3 Description
12-lane 3-Port Non-Transparent PCI Express® Switch ® 89HPES12NT3 Data Sheet Preliminary Information Device Overview The 89HPES12NT3 is a member of the IDT PRECISE™ family of PCI Express® switching solutions offering the next-generation I/O interconnect standard. The PES12NT3 is a 12-lane, 3-port peripheral chip that performs PCI Express Base switching.
89HPES12NT3 Key Features
- Twelve PCI Express lanes (2.5Gbps), three switch ports
- Delivers 48 Gbps (6 GBps) of aggregate switching capacity
- Low latency cut-through switch architecture
- Support for Max Payload size up to 2048 bytes
- Supports one virtual channel and eight traffic classes
- PCI Express Base specification Revision 1.0a pliant
- Port arbitration schemes utilizing round robin
- Supports automatic per port link width negotiation (x4, x2, or x1)
- Static lane reversal on all ports
- Automatic polarity inversion on all lanes