W83977EF-AW(2003) View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
W83977EF-AW Datasheet PDF : 150 Pages
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W83977EF
11.3.9 KBC Timing Parameters .................................................................................................. 127
11.3.10 GPIO Timing Parameters............................................................................................... 127
11.3.11 Keyboard/Mouse Timing Parameters ............................................................................ 128
12.0 TIMING WAVEFORMS .............................................................................................................. 129
12.1 FDC......................................................................................................................................... 129
12.2 UART/PARALLEL ...................................................................................................................... 130
12.2.1 Modem Control Timing..................................................................................................... 131
12.3 PARALLEL PORT........................................................................................................................ 132
12.3.1 Parallel Port Timing.......................................................................................................... 132
12.3.2 EPP Data or Address Read Cycle (EPP Version 1.9) ..................................................... 133
12.3.3 EPP Data or Address Write Cycle (EPP Version 1.9) ..................................................... 134
12.3.4 EPP Data or Address Read Cycle (EPP Version 1.7) ..................................................... 135
12.3.5 EPP Data or Address Write Cycle (EPP Version 1.7) ..................................................... 136
12.3.6 Parallel Port FIFO Timing................................................................................................. 136
12.3.7 ECP Parallel Port Forward Timing ................................................................................... 137
12.3.8 ECP Parallel Port Reverse Timing................................................................................... 137
12.4 KBC......................................................................................................................................... 138
12.4.1 Write Cycle Timing ........................................................................................................... 138
12.4.2 Read Cycle Timing........................................................................................................... 138
12.4.3 Send Data to K/B ............................................................................................................. 138
12.4.4 Receive Data from K/B..................................................................................................... 138
12.4.5 Input Clock ....................................................................................................................... 139
12.4.6 Send Data to Mouse ........................................................................................................ 139
12.4.7 Receive Data from Mouse ............................................................................................... 139
12.5 GPIO WRITE TIMING DIAGRAM.................................................................................................. 140
12.6 MASTER RESET (MR) TIMING .................................................................................................... 140
12.7 KEYBOARD/MOUSE WAKE-UP TIMING......................................................................................... 140
13.0 APPLICATION CIRCUITS .......................................................................................................... 141
13.1 PARALLEL PORT EXTENSION FDD ............................................................................................. 141
13.2 PARALLEL PORT EXTENSION 2FDD ........................................................................................... 142
13.3 FOUR FDD MODE..................................................................................................................... 143
14.0 ORDERING INFORMATION ...................................................................................................... 143
15.0 HOW TO READ THE TOP MARKING ...................................................................................... 143
16.0 PACKAGE DIMENSIONS.......................................................................................................... 144
Publication Release Date: April 2003
-V -
Revision 1.1
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