
W83877ATF
Publication Release Date: July 1997
- II -
Version 0.50
7.1
7.2
7.3
7.4
START FRAME...........................................................................................................................100
IRQ/DATA FRAME.....................................................................................................................100
STOP FRAME..............................................................................................................................101
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
9.2
9.3
ABSOLUTE MAXIMUM RATINGS............................................................................................166
DC CHARACTERISTICS ............................................................................................................166
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