The PI7C8150B is an enhanced PCI-to-PCI Bridge that will support asynchronous operation and is designed to be fully compliant with the PCI Local Bus Specification Revision 2.3. Both the primary and secondary interfaces are specified to run at 32-bits and up to 66MHz (33MHz for PI7C8150B-33).
32-bit Primary and Secondary Ports run up to 66MHz (33MHz for PI7C8150B-33)
All I/O and memory commands
Type 1 to Type 0 configuration conversion
Type 1 to Type 1 configuration forwarding
Type 1 configuration write to special cycle conversion
Compliant with the Advanced Configuration Power Interface (ACPI) Specification.
Provides internal arbitration for one set of nine secondary bus masters
Programmable 2-level priority arbiter
Disable control for use of external arbiter
Supports posted write buffers in all directions
Four 128 byte FIFO’s for delay transactions
Two 128 byte FIFO’s for posted memory transactions