
W83877AF
Publication Release Date: Dec. 1996
PreliminaryVersion 0.52
- II -
8.0 EXTENDED FUNCTION REGISTERS .............................................................................................103
8.1 EXTENDED FUNCTIONS ENABLE REGISTERS (EFERS) ........................................................104
8.2 EXTENDED FUNCTION INDEX REGISTERS (EFIRS), EXTENDED FUNCTION DATA
REGISTERS (EFDRS)...................................................................................................................104
8.3 BIT MAP CONFIGURATION REGISTERS ..................................................................................140
9.0 SPECIFICATIONS ..............................................................................................................................141
9.1 ABSOLUTE MAXIMUM RATINGS .............................................................................................141
9.2 DC CHARACTERISTICS..............................................................................................................141
9.2 DC CHARACTERISTICS, CONTINUED......................................................................................142
9.3 AC CHARACTERISTICS..............................................................................................................143
10.0 TIMING WAVEFORMS...................................................................................................................148
10.1 FDC..............................................................................................................................................149
10.2 IDE...............................................................................................................................................150
10.3 UART/PARALLEL.......................................................................................................................151
11.0 APPLICATION CIRCUITS...............................................................................................................160
11.1 PARALLEL PORT EXTENSION FDD........................................................................................160
11.2 PARALLEL PORT EXTENSION 2FDD ......................................................................................161
11.3 PARALLEL PORT JOYSTICK MODE........................................................................................162
11.4 FOUR FDD MODE ......................................................................................................................162
12.0 ORDERING INFORMATION ..........................................................................................................163
13.0 PACKAGE DIMENSIONS................................................................................................................163