21555 Datasheet (Intel Corporation) - Non-Transparent PCI-to-PCI Bridge

21555, Non-Transparent PCI-to-PCI Bridge

at any time, without notice.

*Third-party marks and names are the property of their respective owners.

For more information, visit the Intel Web site at: developer.intel.com UNITED STATES AND CANADA Intel Corporation Robert Noyce Bldg.

2200 Mission College Blvd.

P.O.

Box 58119 Santa Clara, CA

product brief 21555 Non-Transparent PCI-to-PCI Bridge Revolutionary Bridge Technology for Intelligent I/O and Embedded Applications Product Highlights s developer.intel.com s Non-Transparent PCI-to-PCI bridge technology for high-performance embedded and intelligent I/O applications Independent address spaces and asynchronous clocks deliver unparalleled application flexibility 64-bit primary and secondary bus interfaces deliver high performance for data-intensive applications Compliant with AC

21555 Features

* The 21555 supports either asynchronous or synchronous primary and secondary clocks. The chip’s I2O-compliant controller uses local memory for Inbound and Outbound List storage with on-chip prefetch and posting buffers, giving lower latency access. The 21555 includes a parallel ROM interface that can