PC87372 datasheet(8/144 Pages) NSC

8 / 144 page

Table of Contents (Continued)

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Revision 1.2

6.3.6

Keyboard Wake-Up Control Register (KBDWKCTL) ................................................... 82

6.3.7

PS2 Protocol Control Register (PS2CTL) .................................................................... 83

6.3.8

Keyboard Data Shift Register (KDSR) ......................................................................... 84

6.3.9

Mouse Data Shift Register (MDSR) ............................................................................. 84

6.3.10

PS2 Keyboard Key Data 0 to 7 Registers (PS2KEY0-7) ............................................. 84

6.4

ACPI REGISTERS ..................................................................................................................... 85

6.4.1

ACPI Register Map ...................................................................................................... 85

6.4.2

General-Purpose Status 1 Register (GPE1_STS) ....................................................... 86

6.4.3

General-Purpose Enable 1 Register (GPE1_EN) ........................................................ 86

6.4.4

General-Purpose Status 1 Register 0 (GPE1_STS_0) ................................................ 87

6.4.5

General-Purpose Status 1 Register 1 (GPE1_STS_1) ................................................ 87

6.4.6

General-Purpose Status 1 Register 2 (GPE1_STS_2) ................................................ 88

6.4.7

General-Purpose Status 1 Register 3 (GPE1_STS_3) ................................................ 89

6.4.8

General-Purpose Enable 1 Register 0 (GPE1_EN_0) ................................................. 90

6.4.9

General-Purpose Enable 1 Register 1 (GPE1_EN_1) ................................................. 90

6.4.10

General-Purpose Enable 1 Register 2 (GPE1_EN_2) ................................................. 91

6.4.11

General-Purpose Enable 1 Register 3 (GPE1_EN_3) ................................................. 92

6.5

SYSTEM WAKE-UP CONTROL REGISTER BITMAP .............................................................. 93

7.0

Fan Speed Monitor

7.1

OVERVIEW ............................................................................................................................... 95

7.2

FUNCTIONAL DESCRIPTION .................................................................................................. 95

7.3

FAN SPEED MONITOR REGISTERS ....................................................................................... 97

7.3.1

Fan Speed Monitor Register Map .............................................................................. 97

7.3.2

Fan Speed Monitor Threshold Low Register (FMTHRL) ............................................. 97

7.3.3

Fan Speed Monitor Threshold High Register (FMTHRH) ............................................ 98

7.3.4

Fan Speed Monitor Speed Low Register (FMSPRL) ................................................... 98

7.3.5

Fan Speed Monitor Speed High Register (FMSPRH) ................................................. 99

7.3.6

Fan Speed Monitor Control and Status Register (FMCSR) ......................................... 99

7.4

FAN SPEED MONITOR REGISTER BITMAP ......................................................................... 100

8.0

Glue Functions

8.1

OVERVIEW ............................................................................................................................. 101

8.2

FUNCTIONAL DESCRIPTION ................................................................................................ 101

8.2.1

Highest Active Main Supply Reference ..................................................................... 101

8.2.2

Highest Active Standby Supply Reference ................................................................ 103

8.2.3

Resume Reset ........................................................................................................... 105

8.2.4

Main Power Good ...................................................................................................... 106

8.2.5

Rambus SCK Clock Gate Control ............................................................................. 106

8.2.6

Power Distribution Control ......................................................................................... 107

8.2.7

Main Power Supply Control ....................................................................................... 107

8.2.8

CNR Downstream Codec Dynamic Control ............................................................... 108

8.2.9

Hard-Disk LED Indicator Control ............................................................................... 108

8.2.10

SMBus Voltage Translation ....................................................................................... 108

8.2.11

SMBus Isolation ......................................................................................................... 109

PC87372 Datasheet(PDF) 8 Page - National Semiconductor (TI)

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