W83627UHG Nuvoton

W83627UHG NCT6627UD NUVOTON LPC I/O st Date: April 1 , 2010 Revision: 1.6 Publication Release Date: April 1, 2010 -I- Revision 1.6 TABLE OF CONTENTS 1. GENERAL DESCRIPTION ......................................................................................................... 1 2. FEATURES ................................................................................................................................. 3 3. BLOCK DIAGRAM ...................................................................................................................... 6 4. PIN LAYOUT............................................................................................................................... 7 5. PIN DESCRIPTION..................................................................................................................... 8 5.1 LPC Interface ........................................................................................................................ 9 5.2 FDC Interface........................................................................................................................ 9 5.3 Multi-Mode Parallel Port...................................................................................................... 11 5.4 Serial Port & Infrared Port Interface.................................................................................... 12 5.5 KBC Interface...................................................................................................................... 17 5.6 Hardware Monitor Interface ................................................................................................ 18 5.7 PECI Interface..................................................................................................................... 19 5.8 SST Interface ...................................................................................................................... 19 5.9 Advanced Configuration and Power Interface .................................................................... 19 5.10 General Purpose I/O Port ................................................................................................... 19 5.10.1 GPIO Power Source ..................................................................................................................19 5.10.2 GPIO-1 Interface .......................................................................................................................20 5.10.3 GPIO-2 Interface .......................................................................................................................20 5.10.4 GPIO-3 Interface .......................................................................................................................20 5.10.5 GPIO-4 Interface .......................................................................................................................20 5.10.6 GPIO-5 Interface .......................................................................................................................20 5.10.7 GPIO-6 Interface .......................................................................................................................21 5.10.8 WDTO and SUSLED Pins .......................................................................................................21 5.11 POWER PINS ..................................................................................................................... 21 6. CONFIGURATION REGISTER ACCESS PROTOCOL ........................................................... 22 6.1 Configuration Sequence............................................................................................................ 24 6.1.1 Enter the Extended Function Mode.............................................................................................24 6.1.2 Configure the Configuration Registers ........................................................................................25 6.1.3 Exit the Extended Function Mode ...............................................................................................25 6.1.4 Software Programming Example.................................................................................................25 7. HARDWARE MONITOR ........................................................................................................... 27 7.1 General Description ............................................................................................................ 27 7.2 Access Interfaces................................................................................................................ 28 7.2.1 LPC Interface ..............................................................................................................................28 2 7.2.2 I C Interface ................................................................................................................................30 7.3 Analog Inputs ...................................................................................................................... 32 7.3.1 Voltages Over 2.048 V or Less Than 0 V....................................................................................33 7.3.2 Voltage Detection........................................................................................................................34 7.3.3 Temperature Sensing..................................................................................................................34 7.4 SST Command Summary................................................................................................... 36 7.4.1 Command Summary ...................................................................................................................37 7.4.2 Combination Sensor Data Format...............................................................................................38 Publication Release Date: April 1, 2010 -II- Revision 1.6