PC87372 datasheet(7/144 Pages) NSC

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Table of Contents (Continued)

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Revision 1.2

3.13.4

GPIO Pin Configuration Register 1 (GPCFG1) ........................................................... 57

3.13.5

GPIO Event Routing Register (GPEVR) ...................................................................... 58

3.13.6

GPIO Pin Configuration Register 2 (GPCFG2) ........................................................... 59

3.13.7

GPIO Mode Select Register (GPMODE) ..................................................................... 59

3.14

FAN SPEED MONITOR (FSM) CONFIGURATION .................................................................. 60

3.14.1

General Description ..................................................................................................... 60

3.14.2

Logical Device 9 (FSM) Configuration ......................................................................... 60

3.14.3

Fan Speed Monitor Configuration Register (FSMCF) ................................................. 61

4.0

LPC Bus Interface

4.1

OVERVIEW ............................................................................................................................... 62

4.2

LPC TRANSACTIONS ............................................................................................................... 62

4.3

LPCPD FUNCTIONALITY ......................................................................................................... 62

4.4

INTERRUPT SERIALIZER ........................................................................................................ 62

5.0

General-Purpose Input/Output (GPIO) Ports

5.1

OVERVIEW ............................................................................................................................... 63

5.2

BASIC FUNCTIONALITY ..........................................................................................................64

5.2.1

Configuration Options .................................................................................................. 64

5.2.2

Operation ..................................................................................................................... 65

5.3

EVENT HANDLING AND SYSTEM NOTIFICATION ................................................................ 65

5.3.1

Event Configuration ..................................................................................................... 65

5.3.2

System Notification ...................................................................................................... 66

5.4

GPIO PORT REGISTERS ......................................................................................................... 67

5.4.1

GPIO Pin Configuration Registers Structure ............................................................... 67

5.4.2

GPIO Port Runtime Register Map ............................................................................... 67

5.4.3

GPIO Data Out Register (GPDO) ................................................................................ 68

5.4.4

GPIO Data In Register (GPDI) .................................................................................... 68

5.4.5

GPIO Event Enable Register (GPEVEN) .................................................................... 69

5.4.6

GPIO Event Status Register (GPEVST) ...................................................................... 69

5.4.7

GPIO Data In/Out Register (GPDIO) ........................................................................... 69

6.0

System Wake-Up Control (SWC)

6.1

OVERVIEW ............................................................................................................................... 70

6.2

FUNCTIONAL DESCRIPTION .................................................................................................. 71

6.2.1

External Events ........................................................................................................... 71

6.2.2

Internal Events ............................................................................................................. 74

6.2.3

Sleep States ................................................................................................................ 74

6.2.4

SCI and IRQ Interrupts ................................................................................................ 74

6.2.5

LED Control ................................................................................................................. 75

6.3

SWC REGISTERS ..................................................................................................................... 77

6.3.1

SWC Register Map ...................................................................................................... 77

6.3.2

Standard LED Control Register (SLEDCTL) ............................................................... 78

6.3.3

SWC Miscellaneous Control Register (SWC_CTL) ..................................................... 79

6.3.4

Advanced LED Control Register (ALEDCTL) .............................................................. 80

6.3.5

LED Blink Control Register (LEDBLNK) ...................................................................... 81

PC87372 数据表(PDF) 7 Page - National Semiconductor (TI)

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