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VT82C586B
Revision 1.0
May 13, 1997
-
ii-
Table of Contents
T
ABLE OF
C
ONTENTS
REVISION HISTORY........................................................................................................................................................................I
TABLE OF CONTENTS..................................................................................................................................................................II
LIST OF FIGURES..........................................................................................................................................................................III
LIST OF TABLES ...........................................................................................................................................................................IV
OVERVIEW.......................................................................................................................................................................................3
PINOUTS............................................................................................................................................................................................4
REGISTERS.....................................................................................................................................................................................14
R
EGISTER
O
VERVIEW
.................................................................................................................................................................14
C
ONFIGURATION
S
PACE
I/O .......................................................................................................................................................20
R
EGISTER
D
ESCRIPTIONS
............................................................................................................................................................21
Legacy I/O Ports...................................................................................................................................................................21
Keyboard Controller Registers.............................................................................................................................................................. 22
DMA Controller I/O Registers.............................................................................................................................................................. 24
Interrupt Controller Registers ............................................................................................................................................................... 25
Timer / Counter Registers..................................................................................................................................................................... 25
CMOS / RTC Registers......................................................................................................................................................................... 26
PCI to ISA Bridge Registers (Function 0) ..........................................................................................................................27
PCI Configuration Space Header.......................................................................................................................................................... 27
ISA Bus Control.................................................................................................................................................................................... 27
Plug and Play Control........................................................................................................................................................................... 30
Distributed DMA Control..................................................................................................................................................................... 32
Miscellaneous ....................................................................................................................................................................................... 32
Enhanced IDE Controller Registers (Function 1)..............................................................................................................33
PCI Configuration Space Header.......................................................................................................................................................... 33
IDE-Controller-Specific Confiiguration Registers................................................................................................................................ 35
IDE I/O Registers.................................................................................................................................................................................. 37
Universal Serial Bus Controller Registers (Function 2)....................................................................................................38
PCI Configuration Space Header.......................................................................................................................................................... 38
USB-Specific Configuration Registers.................................................................................................................................................. 39
USB I/O Registers................................................................................................................................................................................. 39
Power Management Registers (Function 3)........................................................................................................................40
PCI Configuration Space Header.......................................................................................................................................................... 40
Power Management-Specific PCI Configuration Registers .................................................................................................................. 41
Power Management Subsystem Overview............................................................................................................................................ 43
Power Management I/O-Space Registers.............................................................................................................................................. 46
ELECTRICAL SPECIFICATIONS...............................................................................................................................................55
A
BSOLUTE
M
AXIMUM
R
ATINGS
.................................................................................................................................................55
DC C
HARACTERISTICS
................................................................................................................................................................55
AC T
IMING
S
PECIFICATIONS
......................................................................................................................................................56
PACKAGE MECHANICAL SPECIFICATIONS........................................................................................................................63