W83627HF Datasheet, PDF (4/185 Pages) Winbond – WINBOND I/O

W83627HF/F
PRELIMINARY
TABLE OF CONTENTS
GENERAL DESCRIPTION ....................................................................................................... 1
PIN CONFIGURATION FOR 627F.......................................................................................... 5
PIN CONFIGURATION FOR 627HF ...................................................................................... 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 ..............................................................................................................................14
1.5 KBC INTERFACE................................................................................................................................................15
1.6 ACPI INTERFACE...............................................................................................................................................15
1.7 HARDWARE MONITOR INTERFACE............................................................................................................15
(FOR W83627HF ONLY, ALL THESE PINS IN W83627F ARE NC.)........................................................15
1.8 GAME PORT & MIDI PORT..............................................................................................................................16
1.9 GENERAL PURPOSE I/O PORT.....................................................................................................................18
1.9.1 General Purpose I/O Port 1 (Power source is Vcc)......................................................................................18
1.9.2 General Purpose I/O Port 2 (Power source is Vcc)......................................................................................18
1.9.3 General Purpose I/O Port 3 (Power souce is VSB) .....................................................................................19
1.10 POWER PINS .....................................................................................................................................................19
2. LPC (LOW PIN COUNT) INTERFACE............................................................................20
3. FDC FUNCTIONAL DESCRIPTION ................................................................................21
3.1 W83627HF FDC ...................................................................................................................................................21
3.1.1 AT interface .....................................................................................................................................................21
3.1.2 FIFO (Data).....................................................................................................................................................21
3.1.3 Data Separator...............................................................................................................................................22
3.1.4 Write Precompensation..................................................................................................................................22
3.1.5 Perpendicular Recording Mode....................................................................................................................22
3.1.6 FDC Core .......................................................................................................................................................23
Publication Release Date:Sep 1998
-I -
Preliminary Revision 0.50