W83627DHG Datasheet, PDF(6/268 Page) Winbond – WINBOND LPC I/O

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W83627DHG Datasheet, PDF (6/268 Pages) Winbond – WINBOND LPC I/O

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W83627DHG

Table of Contents-

1. GENERAL DESCRIPTION ............................................................................................................... 1

2. FEATURES....................................................................................................................................... 2

3. BLOCK DIAGRAM ............................................................................................................................ 5

4. PIN LAYOUT..................................................................................................................................... 6

5. PIN DESCRIPTION .......................................................................................................................... 8

5.1 LPC Interface .......................................................................................................................... 9

5.2 FDC Interface .......................................................................................................................... 9

5.3 Multi-Mode Parallel Port........................................................................................................ 10

5.4 Serial Port & Infrared Port Interface...................................................................................... 12

5.5 KBC Interface ........................................................................................................................ 14

5.6 Serial Peripheral Interface..................................................................................................... 14

5.7 Hardware Monitor Interface................................................................................................... 15

5.8 PECI Interface ....................................................................................................................... 17

5.9 SST Interface ........................................................................................................................ 17

5.10 Advanced Configuration and Power Interface ...................................................................... 17

5.11 General Purpose I/O Port...................................................................................................... 18

5.11.1 SMBus Interface ....................................................................................................................18

5.11.2 GPIO Power Source...............................................................................................................18

5.11.3 GPIO-2 Interface ....................................................................................................................19

5.11.4 GPIO-3 Interface ....................................................................................................................20

5.11.5 GPIO-4 Interface ....................................................................................................................20

5.11.6 GPIO-5 Interface ....................................................................................................................21

5.11.7 GPIO-6 Interface ....................................................................................................................21

5.11.8 GPIO-4 with WDTO# / SUSLED Multi-function ......................................................................22

5.12 Particular ACPI Function pins â both for UBE and UBF Version Only ................................. 22

5.13 POWER PINS ....................................................................................................................... 23

6. CONFIGURATION REGISTER ACCESS PROTOCOL ................................................................. 24

6.1 Configuration Sequence ........................................................................................................... 25

6.1.1 Enter the Extended Function Mode........................................................................................25

6.1.2 Configure the Configuration Registers ...................................................................................25

6.1.3 Exit the Extended Function Mode ..........................................................................................26

6.1.4 Software Programming Example ...........................................................................................26

7. HARDWARE MONITOR ................................................................................................................. 28

7.1 General Description .............................................................................................................. 28

7.2 Access Interfaces.................................................................................................................. 28

7.2.1 LPC Interface .........................................................................................................................29

7.2.2 I2C interface ...........................................................................................................................30

7.3 Analog Inputs ........................................................................................................................ 31

7.3.1 Voltages Over 2.048 V or Less Than 0 V...............................................................................31

7.3.2 Voltage Detection...................................................................................................................32

Publication Release Date: Aug, 22, 2007

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Version 1.4

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