21555 - Non-Transparent PCI-to-PCI Bridge

Intel Corporation

Datasheet Details

Part number	21555
Manufacturer	Intel Corporation
File Size	97.43 KB
Description	Non-Transparent PCI-to-PCI Bridge
Datasheet	21555_IntelCorporation.pdf

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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 be used to attach the Expansion ROM for the subsystem. The ROM interface can also function as a generic 8-bit multiplexed interface with programmable read, write and ready signals to allow attachment.

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Published: Jun 11, 2007 |