Unsupported Features - 1.0 English

The PCI Express Base Specification 4.0 has many optional features. The following features are not supported in the core:

• ASPM L1/L0s is not supported for root port mode
• Resizable BAR extended capability
• ID-based TLP ordering
• TPH capability
• Fast PCI Express endpoint enumeration using tandem configuration
• MCAP Interface for Partial Configuration and Reconfiguration
• WAKE and CLKREQ are optional signals not supported in the IP
• PCIe beacon transmit and receive is not supported