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AMD-762 Datasheet(PDF) 3 Page - Advanced Micro Devices

Part # AMD-762
Description  System Controller
PDF  122 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AMD-762 Datasheet(HTML) 3 Page - Advanced Micro Devices

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Table of Contents
iii
24416C—December 2001
AMD-762™ System Controller Data Sheet
Preliminary Information
Contents
Revision History
xi
1
Features
1
1.1
AMD Athlon™ System Buses
. . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2
Integrated Memory Controller . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3
PCI Bus Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4
AGP Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.5
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2
Functional Operation
7
2.1
Processor Interface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1 Out of Order, Split Transaction . . . . . . . . . . . . . . . . . . . 7
2.1.2 Point-to-Point, Source Synchronized . . . . . . . . . . . . . . . 8
2.1.3 Push-Pull Compensation . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2
Memory Interface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2.1 DRAM Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.2 DDR Data Strobes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3
PCI Bus Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.3.1 Memory Coherency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.3.2 PCI Arbitration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Legacy Mode—Single PCI Bus Southbridge . . . . . . . . . . . . . 16
Southbridge with an Integrated PCI-PCI Bus Bridge
. . . . . 17
Arbitration Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.3.3 PCI Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.4 PCI Parity/ECC Errors . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.5 PCI Accesses by an Initiator . . . . . . . . . . . . . . . . . . . . . 19



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