VT82C686B

Manufacturer Part NumberVT82C686B
ManufacturerETC-unknow
VT82C686B datasheet
 


1
Page 1
2
Page 2
3
Page 3
4
Page 4
5
Page 5
6
Page 6
7
Page 7
8
Page 8
9
Page 9
10
Page 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Page 5/128

Download datasheet (2Mb)Embed
PrevNext
7HFKQRORJLHV ,QF
Function 3 Registers - USB Controller Ports 2-3 ............................................................................................................... 78
PCI Configuration Space Header .......................................................................................................................................................... 78
USB-Specific Configuration Registers.................................................................................................................................................. 79
USB I/O Registers................................................................................................................................................................................. 80
Function 4 Regs - Power Management, SMBus and HWM.............................................................................................. 81
PCI Configuration Space Header .......................................................................................................................................................... 81
Power Management-Specific PCI Configuration Registers .................................................................................................................. 82
Hardware-Monitor-Specific Configuration Registers ........................................................................................................................... 89
System Management Bus-Specific Configuration Registers ................................................................................................................. 89
Power Management I/O-Space Registers .............................................................................................................................................. 90
System Management Bus I/O-Space Registers...................................................................................................................................... 99
Hardware Monitor I/O Space Registers .............................................................................................................................................. 102
Function 5 & 6 Registers - AC97 Audio & Modem Codecs ............................................................................................ 106
PCI Configuration Space Header – Function 5 Audio ........................................................................................................................ 106
PCI Configuration Space Header – Function 6 Modem...................................................................................................................... 107
Function 5 & 6 Codec-Specific Configuration Registers .................................................................................................................... 108
I/O Base 0 Registers –Audio/Modem Scatter/Gather DMA................................................................................................................ 110
I/O Base 1 Registers – Audio FM NMI Status Registers .................................................................................................................... 114
I/O Base 2 Registers – MIDI / Game Port........................................................................................................................................... 114
I/O Base 3 Registers – Codec Register Shadow.................................................................................................................................. 114
Memory Mapped I/O APIC Registers ................................................................................................................................................. 115
Indexed I/O APIC 32-Bit Registers..................................................................................................................................................... 115
FUNCTIONAL DESCRIPTIONS ................................................................................................................................................ 117
P
M
.............................................................................................................................................................. 117
OWER
ANAGEMENT
Power Management Subsystem Overview .......................................................................................................................................... 117
Processor Bus States ........................................................................................................................................................................... 117
System Suspend States and Power Plane Control ............................................................................................................................... 118
General Purpose I/O Ports................................................................................................................................................................... 118
Power Management Events ................................................................................................................................................................. 119
System and Processor Resume Events ................................................................................................................................................ 119
Legacy Power Management Timers .................................................................................................................................................... 120
System Primary and Secondary Events ............................................................................................................................................... 120
Peripheral Events ................................................................................................................................................................................ 120
ELECTRICAL SPECIFICATIONS............................................................................................................................................. 121
A
M
R
BSOLUTE
AXIMUM
ATINGS
DC C
.............................................................................................................................................................. 121
HARACTERISTICS
PACKAGE MECHANICAL SPECIFICATIONS ...................................................................................................................... 122
Revision 1.71 June 9, 2000
............................................................................................................................................... 121
-iii-
VT82C686B
Table of Contents