
W83627SF
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Publication Release Date: Nov. 2000
Preliminary Revision 0.60
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TABLE OF CONTENTS
GENERAL DESCRIPTION ----------------------------------------------------------------------------------1
PIN CONFIGURATION FOR W83627SF----------------------------------------------------------------6
1. PIN DESCRIPTION------------------------------------------------------------------------------------------------------------------------- 7
1.1 LPC INTERFACE-------------------------------------------------------------------------------------------------------------------------- 7
1.2 FDC INTERFACE-------------------------------------------------------------------------------------------------------------------------- 8
1.3 MULTI-MODE PARALLEL PORT---------------------------------------------------------------------------------------------------- 9
1.4 SERIAL PORT INTERFACE ------------------------------------------------------------------------------------------------------------ 13
1.5 KBC INTERFACE-------------------------------------------------------------------------------------------------------------------------- 15
1.6 ACPI INTERFACE------------------------------------------------------------------------------------------------------------------------- 15
1.7 GAME PORT & MIDI PORT------------------------------------------------------------------------------------------------------------ 16
1.8 GENERAL PURPOSE I/O PORT-------------------------------------------------------------------------------------------------------- 17
1.8.1 General Purpose I/O Port 1 (Power source is Vcc)------------------------------------------------------------------------ 17
1.8.2 General Purpose I/O Port 2 (Power source is Vcc)------------------------------------------------------------------------ 17
1.8.3 General Purpose I/O Port 3 (Power souce is VSB) ------------------------------------------------------------------------ 18
1.9 SMART CARD INTERFACE AND GENERAL PURPOSE I/O PORT 7 (POWERED BY VCC EXCEPT
SCPSNT# WHICH IS POWERED BY VSB)---------------------------------------------------------------------------------------------- 19
1.10 GENERAL PURPOSE I/O PORT 4 (POWERED BY GP4PWR)---------------------------------------------------------------- 20
1.11 GENERAL PURPOSE I/O PORT 5, 6 (POWERED BY VCC)-------------------------------------------------------------------- 20
1.12 32KHZ CRYSTAL OSCILLATOR---------------------------------------------------------------------------------------------------- 21
1.13 POWER PINS------------------------------------------------------------------------------------------------------------------------------ 21
2. LPC (LOW PIN COUNT) INTERFACE----------------------------------------------------------------22
3. FDC FUNCTIONAL DESCRIPTION ------------------------------------------------------------------23
3.1 W83627SF FDC----------------------------------------------------------------------------------------------------------------------------- 23
3.1.1 AT interface--------------------------------------------------------------------------------------------------------------------------- 23
3.1.2 FIFO (Data)-------------------------------------------------------------------------------------------------------------------------- 23
3.1.3 Data Separator---------------------------------------------------------------------------------------------------------------------- 24