EP450 SysAD Bus to PCI Host Bridge

Features

• Fully supports PCI specification 2.1 and 2.2 protocol.
• Supports SysAD bus protocol.
• Downstream access transfer from SysAD bus to PCI bus.
• Upstream access transfer from PCI bus to internal system resources.
• SysAD bus and PCI bus operates at independent clock domains.
• Total of six write buffers for data write posting for all interfaces.
• Supports SysAD bus burst transfers up to 64 bytes.
• PCI interface includes bus master, bus target and configuration access initiation.
• Generates standard PCI type 0 and type 1 configuration accesses.
• Automatic handling of configuration register read/write access.
• Supports target retry, disconnect, abort and wait state insertion.
• Parity generation and parity error detection.
• Includes all PCI specific configuration registers.
• Supports high speed bus request and bus parking.
• Optional PCI bus arbiter with fix, rotating, and custom priority.

Diagram