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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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82375EB датащи(PDF) 1 Page - Intel Corporation |
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82375EB датащи(HTML) 1 Page - Intel Corporation |
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1 / 131 page  Other brands and names are the property of their respective owners Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or copyright for sale and use of Intel products except as provided in Intel’s Terms and Conditions of Sale for such products Intel retains the right to make changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata March 1996 COPYRIGHT INTEL CORPORATION 1996 Order Number 290477-004 82375EB82375SB PCI-EISA BRIDGE (PCEB) Y Provides the Bridge Between the PCI Local Bus and EISA Bus Y 100% PCI and EISA Compatible PCI and EISA MasterSlave Interface Directly Drives 10 PCI Loads and 8 EISA Slots Supports PCI from 25 to 33 MHz Y Data Buffers Improve Performance Four 32-bit PCI-to-EISA Posted Write Buffers Four 16-byte EISA-to-PCI ReadWrite Line Buffers EISA-to-PCI Read Prefetch EISA-to-PCI and PCI-to-EISA Write Posting Y Data Buffer Management Ensures Data Coherency Flush Posted Write Buffers Flush or Invalidate Line Buffers System-Wide Data Buffer Coherency Control Y Burst Transfers on both the PCI and EISA Buses Y 32-Bit Data Paths Y Integrated EISA Data Swap Buffers Y Arbitration for PCI Devices Supports Six PCI Masters Fixed Rotating or a Combination of the Two Supports External PCI Arbiter and Arbiter Cascading Y PCI and EISA Address Decoding and Mapping Positive Decode of Main Memory Areas (MEMCS Generation) Four Programmable PCI Memory Space Regions Four Programmable PCI IO Space Regions Y Programmable Main Memory Address Decoding Main Memory Sizes up to 512 MBytes Access Attributes for 15 Memory Segments in First 1 MByte of Main Memory Programmable Main Memory Hole Y Integrated 16-bit BIOS Timer Y Only Available as Part of a Supported Kit The 82375EBSB PCI-EISA Bridge (PCEB) provides the masterslave functions on both the PCI Local Bus and the EISA Bus Functioning as a bridge between the PCI and EISA buses the PCEB provides the address and data paths bus controls and bus protocol translation for PCI-to-EISA and EISA-to-PCI transfers Exten- sive data buffering in both directions increases system performance by maximizing PCI and EISA Bus efficien- cy and allowing concurrency on the two buses The PCEB’s buffer management mechanism ensures data coherency The PCEB integrates central bus control functions including a programmable bus arbiter for the PCI Bus and EISA data swap buffers for the EISA Bus Integrated system functions include PCI parity genera- tion system error reporting and programmable PCI and EISA memory and IO address space mapping and decoding The PCEB also contains a BIOS Timer that can be used to implement timing loops The PCEB is intended to be used with the EISA System Component (ESC) to provide an EISA IO subsystem interface This document describes both the 82375EB and 82375SB components Unshaded areas describe the 82375EB Shaded areas like this one describe the 82375SB operations that differ from the 82375EB |
Аналогичный номер детали - 82375EB |
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Аналогичное описание - 82375EB |
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