UPD720400 Datasheet (NEC) - PCI Express

UPD720400, PCI Express - PCI/PCI-X Bridge

DATA SHEET MOS INTEGRATED CIRCUIT µPD720400 PCI Express PCI/PCI-X Bridge (Ver 1.08) µPD720400 is a PCI Express to PCI/PCI-X Bridge chip that supports the PCI Express Base Specification Revision1.1 and PCI Express to PCI/PCI-X Bridge Specification Revision1.0.

µPD720400 contains a PCI Express Serdes circuit with an x8 Lane structure as a primary interface and two 64bits PCI/PCI-X bus interface circuits.

Part number µPD720400FF-RN1 µPD720400FF-RN1-A µPD720400AFF-RN1 µPD720400AFF-RN1-

UPD720400 Features

* 5 2. Block Diagram 7 3. Pin Connection 9 3.1. Pin List (numerical order) 11 3.2. Pin List (alphabetical order) 15 4. Pin Functions19 4.1. Power supply19 4.2. PCI Express Interface 19 4.3. PCI/PCI-X Interface19 4.4. System clock & Reset interface21 4.5. Hot Plug Controller interface 22 4.6. System I