VT82C596 datasheet(4/96 Pages) ETC

4 / 96 page

VT82C596B

Revision 0.3 June 17, 1999

-ii-

Table of Contents

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TABLE OF CONTENTS

REVISION HISTORY........................................................................................................................................................................I

TABLE OF CONTENTS .................................................................................................................................................................. II

LIST OF FIGURES..........................................................................................................................................................................IV

LIST OF TABLES ...........................................................................................................................................................................IV

OVERVIEW ....................................................................................................................................................................................... 3

PINOUTS ............................................................................................................................................................................................ 4

REGISTERS ..................................................................................................................................................................................... 21

REGISTER OVERVIEW ................................................................................................................................................................. 21

CONFIGURATION SPACE I/O ....................................................................................................................................................... 28

REGISTER DESCRIPTIONS............................................................................................................................................................ 29

Legacy I/O Ports ................................................................................................................................................................... 29

Keyboard Controller Registers.............................................................................................................................................................. 30

DMA Controller I/O Registers .............................................................................................................................................................. 32

Interrupt Controller Registers ............................................................................................................................................................... 33

Timer / Counter Registers ..................................................................................................................................................................... 33

CMOS / RTC Registers......................................................................................................................................................................... 34

Function 0 Registers - PCI to ISA Bridge........................................................................................................................... 35

PCI Configuration Space Header .......................................................................................................................................................... 35

ISA Bus Control.................................................................................................................................................................................... 36

Plug and Play Control ........................................................................................................................................................................... 39

Distributed DMA / Serial IRQ Control ................................................................................................................................................. 41

Miscellaneous / General Purpose I/O.................................................................................................................................................... 42

Function 1 Registers - Enhanced IDE Controller .............................................................................................................. 47

PCI Configuration Space Header .......................................................................................................................................................... 47

IDE-Controller-Specific Confiiguration Registers ................................................................................................................................ 49

IDE I/O Registers.................................................................................................................................................................................. 54

Function 2 Registers - Universal Serial Bus Controller..................................................................................................... 55

PCI Configuration Space Header .......................................................................................................................................................... 55

USB-Specific Configuration Registers.................................................................................................................................................. 56

USB I/O Registers................................................................................................................................................................................. 57

Function 3 Registers - Power Management and SMBus .................................................................................................. 58

PCI Configuration Space Header .......................................................................................................................................................... 58

Power Management-Specific PCI Configuration Registers .................................................................................................................. 59

System Management Bus-Specific Configuration Registers ................................................................................................................. 65

System Management Bus I/O-Space Registers...................................................................................................................................... 66

Power Management I/O-Space Registers .............................................................................................................................................. 70

FUNCTIONAL DESCRIPTIONS .................................................................................................................................................. 78

POWER MANAGEMENT................................................................................................................................................................ 78

Power Management Subsystem Overview ............................................................................................................................................ 78

Processor Bus States ............................................................................................................................................................................. 78

System Suspend States and Power Plane Control ................................................................................................................................. 79

General Purpose I/O Ports..................................................................................................................................................................... 79

Power Management Events ................................................................................................................................................................... 80

System and Processor Resume Events .................................................................................................................................................. 80

Legacy Power Management Timers ...................................................................................................................................................... 81

System Primary and Secondary Events ................................................................................................................................................. 81

Peripheral Events .................................................................................................................................................................................. 81

ELECTRICAL SPECIFICATIONS ............................................................................................................................................... 82

VT82C596 数据表(PDF) 4 Page - List of Unclassifed Manufacturers

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