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W83977EF-AW Datasheet(PDF) 6 Page - Winbond |
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W83977EF-AW Datasheet(HTML) 6 Page - Winbond |
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6 / 142 page  W83977EF-AW/W83977EG-AW Publication Release Date: Apr. 2006 -V- Revision 1.2 13.3.5 EPP Data or Address Write Cycle Timing Parameters ...............................................120 13.3.6 Parallel Port FIFO Timing Parameters........................................................................121 13.3.7 ECP Parallel Port Forward Timing Parameters ..........................................................121 13.3.8 ECP Parallel Port Reverse Timing Parameters ..........................................................121 13.3.9 KBC Timing Parameters.............................................................................................122 13.3.10 GPIO Timing Parameters ...........................................................................................123 13.3.11 Keyboard/Mouse Timing Parameters .........................................................................123 14. TIMING WAVEFORMS ........................................................................................................... 124 14.1 14.1 FDC..................................................................................................................... 124 14.2 UART/Parallel ............................................................................................................. 125 14.2.1 Modem Control Timing ...............................................................................................126 14.3 Parallel Port ................................................................................................................ 127 14.3.1 Parallel Port Timing ....................................................................................................127 14.3.2 EPP Data or Address Read Cycle (EPP Version 1.9) ................................................128 14.3.3 EPP Data or Address Write Cycle (EPP Version 1.9).................................................129 14.3.4 EPP Data or Address Read Cycle (EPP Version 1.7) ................................................130 14.3.5 EPP Data or Address Write Cycle (EPP Version 1.7).................................................131 14.3.6 Parallel Port FIFO Timing ...........................................................................................131 14.3.7 ECP Parallel Port Forward Timing..............................................................................132 14.3.8 ECP Parallel Port Reverse Timing..............................................................................132 14.4 KBC............................................................................................................................. 133 14.4.1 Write Cycle Timing .....................................................................................................133 14.4.2 Read Cycle Timing .....................................................................................................133 14.4.3 Receive Data from K/B ...............................................................................................134 14.4.4 Input Clock .................................................................................................................134 14.4.5 Send Data to Mouse...................................................................................................134 14.4.6 Receive Data from Mouse ..........................................................................................134 14.5 GPIO Write Timing Diagram ....................................................................................... 135 14.5.1 Master Reset (MR) Timing .........................................................................................135 14.6 Keyboard/Mouse Wake-up Timing ............................................................................. 135 15. APPLICATION CIRCUITS ...................................................................................................... 136 15.1 Parallel Port Extension FDD ....................................................................................... 136 15.2 Parallel Port Extension 2FDD..................................................................................... 137 15.3 Four FDD Mode .......................................................................................................... 137 16. ORDERING INFORMATION .................................................................................................. 138 17. HOW TO READ THE TOP MARKING.................................................................................... 138 18. PACKAGE DIMENSIONS ....................................................................................................... 139 |
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