w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 6

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

14.
15.
16.
17.
18.
TIMING WAVEFORMS ........................................................................................................... 124
14.1
14.2
14.3
14.4
14.5
14.6
APPLICATION CIRCUITS ...................................................................................................... 136
15.1
15.2
15.3
ORDERING INFORMATION .................................................................................................. 138
HOW TO READ THE TOP MARKING.................................................................................... 138
PACKAGE DIMENSIONS ....................................................................................................... 139
13.3.5
13.3.6
13.3.7
13.3.8
13.3.9
13.3.10 GPIO Timing Parameters ...........................................................................................123
13.3.11 Keyboard/Mouse Timing Parameters .........................................................................123
14.1 FDC..................................................................................................................... 124
UART/Parallel ............................................................................................................. 125
14.2.1
Parallel Port ................................................................................................................ 127
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.3.6
14.3.7
14.3.8
KBC............................................................................................................................. 133
14.4.1
14.4.2
14.4.3
14.4.4
14.4.5
14.4.6
GPIO Write Timing Diagram ....................................................................................... 135
14.5.1
Keyboard/Mouse Wake-up Timing ............................................................................. 135
Parallel Port Extension FDD ....................................................................................... 136
Parallel Port Extension 2FDD ..................................................................................... 137
Four FDD Mode .......................................................................................................... 137
EPP Data or Address Write Cycle Timing Parameters ...............................................120
Parallel Port FIFO Timing Parameters........................................................................121
ECP Parallel Port Forward Timing Parameters ..........................................................121
ECP Parallel Port Reverse Timing Parameters ..........................................................121
KBC Timing Parameters.............................................................................................122
Modem Control Timing ...............................................................................................126
Parallel Port Timing ....................................................................................................127
EPP Data or Address Read Cycle (EPP Version 1.9) ................................................128
EPP Data or Address Write Cycle (EPP Version 1.9).................................................129
EPP Data or Address Read Cycle (EPP Version 1.7) ................................................130
EPP Data or Address Write Cycle (EPP Version 1.7).................................................131
Parallel Port FIFO Timing ...........................................................................................131
ECP Parallel Port Forward Timing..............................................................................132
ECP Parallel Port Reverse Timing..............................................................................132
Write Cycle Timing .....................................................................................................133
Read Cycle Timing .....................................................................................................133
Receive Data from K/B ...............................................................................................134
Input Clock .................................................................................................................134
Send Data to Mouse...................................................................................................134
Receive Data from Mouse ..........................................................................................134
Master Reset (MR) Timing .........................................................................................135
W83977EF-AW/W83977EG-AW
-V-
Publication Release Date: Apr. 2006
Revision 1.2