W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 10
W83977AF
Manufacturer Part Number
W83977AF
Description
W83877TF Plus Kbc, Cir, RTC
Manufacturer
Information Storage Devices, Inc
Datasheet
1.W83977AF.pdf
(181 pages)
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12. TIMING WAVEFORMS ...........................................................................................154
12.1 FDC ......................................................................................................................................................154
12.2 UART/PARALLEL ...............................................................................................................................155
12.3 PARALLEL PORT................................................................................................................................157
12.4 KBC......................................................................................................................................................163
12.5 GPIO WRITE TIMING DIAGRAM ......................................................................................................165
12.6 MASTER RESET (MR) TIMING .........................................................................................................165
12.7 ACPI.....................................................................................................................................................165
13. APPLICATION CIRCUITS.......................................................................................166
13.1 PARALLEL PORT EXTENSION FDD.................................................................................................166
13.2 PARALLEL PORT EXTENSION 2FDD...............................................................................................167
13.3 FOUR FDD MODE...............................................................................................................................167
11.3.10 GPIO, ACPI, ROM Interface Timing Parameters..........................................................................153
12.2.1 Modem Control Timing...................................................................................................................156
12.3.1 Parallel Port Timing.......................................................................................................................157
12.3.2 EPP Data or Address Read Cycle (EPP Version 1.9) ......................................................................158
12.3.3 EPP Data or Address Write Cycle (EPP Version 1.9)......................................................................159
12.3.4 EPP Data or Address Read Cycle (EPP Version 1.7) ......................................................................160
12.3.5 EPP Data or Address Write Cycle (EPP Version 1.7)......................................................................161
12.3.6 Parallel Port FIFO Timing .............................................................................................................161
12.3.7 ECP Parallel Port Forward Timing ................................................................................................162
12.3.8 ECP Parallel Port Reverse Timing .................................................................................................162
12.4.1 Write Cycle Timing.........................................................................................................................163
12.4.2 Read Cycle Timing .........................................................................................................................163
12.4.3 Send Data to K/B............................................................................................................................163
12.4.4 Receive Data from K/B ...................................................................................................................164
12.4.5 Input Clock.....................................................................................................................................164
12.4.6 Send Data to Mouse........................................................................................................................164
12.4.7 Receive Data from Mouse...............................................................................................................164
12.7.1 PANSW Trigger and PSCTRL Timing.....................................................................................165
12.7.2 RIA , RIB , KLCK, MCLK, PWAKIN1, PWAKIN2 Trigger and PSCTRL Timing .....................166
12.7.3 PHRI Trigger and PSCTRL Timing..........................................................................................166
-VII -
W83977F/ W83977AF
Publication Release Date:March 1998
Preliminary Revision 0.58
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