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PCI9080 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. PCI9080
Description  12O COMPATIBLE PCI BUS MASTER INTERFACE CHIP FOR ADAPTERS AND EMBEDDED SYSTEMS
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PCI9080 Datasheet(HTML) 2 Page - List of Unclassifed Manufacturers

 
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PCI 9080
TABLE OF CONTENTS
©PLX Technology, Inc., 1997
Page iii
Version 1.01
TABLE OF CONTENTS
1.
GENERAL DESCRIPTION ..............................................................................................................................................1
1.1
APPLICATIONS FOR THE PCI 9080 .......................................................................................................................2
1.1.1
PCI Adapter Cards.............................................................................................................................................................. 2
1.1.2
Embedded Systems............................................................................................................................................................ 2
1.2
MAJOR FEATURES..................................................................................................................................................3
1.3
COMPATIBILITY OF PCI 9080 WITH PCI 9060, 9060ES, AND 9060SD................................................................4
1.3.1
Pin Compatibility ................................................................................................................................................................. 4
1.3.2
Register Compatibility ......................................................................................................................................................... 4
1.4
COMPARISON OF PCI 9060, PCI 9060ES, PCI 9060SD, AND PCI 9080..............................................................5
2.
BUS OPERATION............................................................................................................................................................6
2.1
PCI BUS CYCLES.....................................................................................................................................................6
2.1.1
PCI Target Command Codes.............................................................................................................................................. 6
2.1.2
PCI Master Command Codes ............................................................................................................................................. 6
2.1.2.1
DMA Master Command Codes ....................................................................................................................................... 6
2.1.2.2
Direct Local to PCI Command Codes ............................................................................................................................. 6
2.1.3
PCI Arbitration .................................................................................................................................................................... 6
2.2
LOCAL BUS CYCLES...............................................................................................................................................7
2.2.1
Local Bus Arbitration........................................................................................................................................................... 7
2.2.2
Local Bus Direct Master...................................................................................................................................................... 7
2.2.3
Local Bus Direct Slave........................................................................................................................................................ 7
2.2.3.1
Ready/Wait State Control ............................................................................................................................................... 7
2.2.3.1.1
Wait State—Local Side............................................................................................................................................. 7
2.2.3.1.2
Wait State—PCI Side ............................................................................................................................................... 8
2.2.3.2
Burst Mode and Continuous Burst Mode (Bterm “Burst Terminate” Mode)..................................................................... 8
2.2.3.2.1
Burst Mode ............................................................................................................................................................... 8
2.2.3.2.2
Continuous Burst Mode (Bterm “Burst Terminate” Mode)......................................................................................... 8
2.2.3.2.3
Partial Lword Accesses ............................................................................................................................................ 9
2.2.3.3
Recovery States ............................................................................................................................................................. 9
2.2.3.4
Local Bus Read Accesses .............................................................................................................................................. 9
2.2.3.5
Local Bus Write Accesses .............................................................................................................................................. 9
2.2.3.6
Direct Slave Write Accesses—8- and 16-Bit Buses........................................................................................................ 9
2.2.3.7
Local Bus Data Parity ..................................................................................................................................................... 9
2.2.3.8
Local Bus Little/Big Endian ............................................................................................................................................. 9
2.2.3.8.1
32 Bit Local Bus—Big Endian Mode ......................................................................................................................... 9
2.2.3.8.2
16 Bit Local Bus—Big Endian Mode ....................................................................................................................... 10
2.2.3.8.3
8 Bit Local Bus—Big Endian Mode ......................................................................................................................... 10


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