W83877ATF Datasheet, PDF (4/191 Pages) Winbond – enhanced version from Winbonds most popular I/O chip W83877F

W83877ATF
7.1 START FRAME ........................................................................................................................... 100
7.2 IRQ/DATA FRAME ..................................................................................................................... 100
7.3 STOP FRAME.............................................................................................................................. 101
7.4 RESET AND INITIALIZATION .................................................................................................. 101
8.0 EXTENDED FUNCTION REGISTERS ..................................................................102
8.1 EXTENDED FUNCTIONS ENABLE REGISTERS (EFERS)........................................................... 102
8.2 EXTENDED FUNCTION INDEX REGISTERS (EFIRS), EXTENDED FUNCTION DATA
REGISTERS (EFDRS) ................................................................................................................... 103
8.3 ACPI REGISTERS FEATURES ....................................................................................................... 150
8.4 ACPI REGISTERS (ACPIRS)........................................................................................................... 152
9.0 SPECIFICATIONS....................................................................................................166
9.1 ABSOLUTE MAXIMUM RATINGS............................................................................................ 166
9.2 DC CHARACTERISTICS ............................................................................................................ 166
9.3 AC CHARACTERISTICS ............................................................................................................ 168
10.0 TIMING WAVEFORMS ........................................................................................174
10.1 FDC.............................................................................................................................................. 174
10.2 UART/PARALLEL....................................................................................................................... 175
10.3 PARALLEL PORT ....................................................................................................................... 177
11.0 APPLICATION CIRCUITS....................................................................................183
11.1 PARALLEL PORT EXTENSION FDD ........................................................................................ 183
11.2 PARALLEL PORT EXTENSION 2FDD....................................................................................... 184
11.3 FOUR FDD MODE...................................................................................................................... 184
12.0 ORDERING INFORMATION ...............................................................................185
13.0 HOW OT READ THE TOP MARKING ...............................................................185
14.0 PACKAGE DIMENSIONS .....................................................................................186
Publication Release Date: July 1997
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Version 0.50