W83877TD Просмотр технического описания (PDF) - Winbond
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W83877TD Datasheet PDF : 154 Pages
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W83877TF/W83877TG
11.4.18 General Purpose Event 1 Status Register 2 (GP1STS2) .....................................................121
11.4.19 General Purpose Event 1 Enable Register 1 (GP1EN1) ......................................................122
11.4.20 General Purpose Event 1 Enable Register 2 (GP1EN2) ......................................................122
11.4.21 Bit Map Configuration Registers ...........................................................................................123
12. SPECIFICATIONS ....................................................................................................................... 124
12.1 Absolute Maximum Ratings ................................................................................................ 124
12.2 DC CHARACTERISTICS .................................................................................................... 124
12.3 AC Characteristics .............................................................................................................. 126
12.3.1 FDC: Data rate = 1 MB/500 KB/300 KB/250 KB/sec. ...........................................................126
12.3.2 UART/Parallel Port ...............................................................................................................128
12.3.3 Parallel Port Mode Parameters.............................................................................................128
12.3.4 EPP Data or Address Read Cycle Timing Parameters .........................................................129
12.3.5 EPP Data or Address Write Cycle Timing Parameters .........................................................130
12.3.6 Parallel Port FIFO Timing Parameters..................................................................................131
12.3.7 ECP Parallel Port Forward Timing Parameters ....................................................................131
12.3.8 ECP Parallel Port Reverse Timing Parameters ....................................................................131
13. TIMING WAVEFORMS ................................................................................................................ 132
13.1 FDC ..................................................................................................................................... 132
13.2 UART/Parallel ..................................................................................................................... 133
13.2.1 Modem Control Timing .........................................................................................................134
13.3 Parallel Port......................................................................................................................... 135
13.3.1 Parallel Port Timing ..............................................................................................................135
13.3.2 EPP Data or Address Read Cycle (EPP Version 1.9) ..........................................................136
13.3.3 EPP Data or Address Write Cycle (EPP Version 1.9)...........................................................137
13.3.4 EPP Data or Address Read Cycle (EPP Version 1.7) ..........................................................138
13.3.5 EPP Data or Address Write Cycle (EPP Version 1.7)...........................................................139
13.3.6 Parallel Port FIFO Timing .....................................................................................................139
13.3.7 ECP Parallel Port Forward Timing........................................................................................140
13.3.8 ECP Parallel Port Reverse Timing........................................................................................140
14. APPLICATION CIRCUITS ........................................................................................................... 141
14.1 Parallel Port Extension FDD ............................................................................................... 141
14.2 Parallel Port Extension 2FDD ............................................................................................. 142
14.3 Four FDD Mode .................................................................................................................. 142
15. ORDERING INFORMATION........................................................................................................ 143
16. HOW TO READ THE TOP MARKING......................................................................................... 144
17. PACKAGE DIMENSION .............................................................................................................. 145
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