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W83977CTF-AW Datasheet(PDF) 3 Page - Winbond |
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W83977CTF-AW Datasheet(HTML) 3 Page - Winbond |
3 / 161 page W83977EF/ CTF PRELIMINARY Publication Release Date: March 1999 -I - Revision A1 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 ................................................................................................. 8 1.3 SERIAL PORT INTERFACE ........................................................................................................ 9 1.4 INFRARED INTERFACE............................................................................................................ 10 1.5 MULTI-MODE PARALLEL PORT ............................................................................................... 11 1.6 FDC INTERFACE ...................................................................................................................... 16 1.7 KBC INTERFACE ...................................................................................................................... 18 1.8 POWER PINS............................................................................................................................ 18 1.9 ACPI INTERFACE ..................................................................................................................... 18 2.0 FDC FUNCTIONAL DESCRIPTION ...................................................................19 2.1 W83977EF/CTF 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 ............................................................................................ 21 2.1.6 FDC Core ............................................................................................................................ 21 2.1.7 FDC Commands .................................................................................................................. 21 2.2 REGISTER DESCRIPTIONS ..................................................................................................... 33 2.2.1 Status Register A (SA Register) (Read base address + 0) ................................................... 33 |
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