W83977ATF Datasheet, PDF (44/207 Pages) Winbond – WINBOND I/O

W83977ATF
WINBOND I/O
TABLE OF CONTENTS
GENERAL DESCRIPTION ................................................................................................1
FEATURES ..........................................................................................................................2
PIN CONFIGURATION......................................................................................................5
1.0 PIN DESCRIPTION.....................................................................................................6
1.1 HOST INTERFACE...................................................................................................................................6
1.2 GENERAL PURPOSE I/O PORT...............................................................................................................9
1.3 SERIAL PORT INTERFACE...................................................................................................................10
1.4 INFRARED INTERFACE........................................................................................................................11
1.5 MULTI-MODE PARALLEL PORT .........................................................................................................11
1.6 FDC INTERFACE ...................................................................................................................................16
1.7 KBC INTERFACE...................................................................................................................................17
1.8 POWER PINS ..........................................................................................................................................18
1.9 ACPI INTERFACE..................................................................................................................................18
2.0 FDC FUNCTIONAL DESCRIPTION........................................................................19
2.1 W83977ATF FDC....................................................................................................................................19
2.1.1 AT interface.......................................................................................................................................19
2.1.2 FIFO (Data) ......................................................................................................................................19
2.1.3 Data Separator..................................................................................................................................20
2.1.4 Write Precompensation......................................................................................................................20
2.1.5 Perpendicular Recording Mode .........................................................................................................20
2.1.6 FDC Core..........................................................................................................................................21
2.1.7 FDC Commands ................................................................................................................................21
Publication Release Date:April 1998
-I -
Preliminary Revision 0.52