W83977CTF Ver la hoja de datos (PDF) - Winbond
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W83977CTF Datasheet PDF : 161 Pages
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W83977EF/ CTF
PRELIMINARY
11.3.4 EPP Data or Address Read Cycle Timing Parameters......................................................132
11.3.5 EPP Data or Address Write Cycle Timing Parameters......................................................133
11.3.6 Parallel Port FIFO Timing Parameters..............................................................................134
11.3.7 ECP Parallel Port Forward Timing Parameters.................................................................134
11.3.8 ECP Parallel Port Reverse Timing Parameters.................................................................134
11.3.9 KBC Timing Parameters ..................................................................................................135
11.3.10 GPIO Timing Parameters ...............................................................................................136
11.3.11 Keyboard/Mouse Timing Parameters .............................................................................136
12.0 TIMING WAVEFORMS ..................................................................................137
12.1 FDC .......................................................................................................................................137
12.2 UART/PARALLEL ..................................................................................................................138
12.2.1 Modem Control Timing.....................................................................................................139
12.3 PARALLEL PORT ..................................................................................................................140
12.3.1 Parallel Port Timing..........................................................................................................140
12.3.2 EPP Data or Address Read Cycle (EPP Version 1.9) .......................................................141
12.3.3 EPP Data or Address Write Cycle (EPP Version 1.9) .......................................................142
12.3.4 EPP Data or Address Read Cycle (EPP Version 1.7) .......................................................143
12.3.5 EPP Data or Address Write Cycle (EPP Version 1.7) .......................................................144
12.3.6 Parallel Port FIFO Timing.................................................................................................144
12.3.7 ECP Parallel Port Forward Timing....................................................................................145
12.3.8 ECP Parallel Port Reverse Timing....................................................................................145
12.4 KBC .......................................................................................................................................146
12.4.1 Write Cycle Timing...........................................................................................................146
12.4.2 Read Cycle Timing...........................................................................................................146
12.4.3 Send Data to K/B .............................................................................................................146
12.4.4 Receive Data from K/B.....................................................................................................147
12.4.5 Input Clock.......................................................................................................................147
12.4.6 Send Data to Mouse ........................................................................................................147
12.4.7 Receive Data from Mouse................................................................................................147
12.5 GPIO WRITE TIMING DIAGRAM ..........................................................................................148
Publication Release Date: March 1999
-VI -
Revision A1
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