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W83977EF-AW Datasheet(PDF) 5 Page - Winbond |
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W83977EF-AW Datasheet(HTML) 5 Page - Winbond |
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5 / 142 page  W83977EF-AW/W83977EG-AW -IV- 8.6 OnNow / Security Keyboard and Mouse Wake-Up ...................................................... 73 8.6.1 Keyboard Wake-Up Function........................................................................................73 8.6.2 Keyboard Password Wake-Up Function .......................................................................73 8.6.3 Mouse Wake-Up Function ............................................................................................73 9. GENERAL PURPOSE I/O......................................................................................................... 74 9.1 Basic I/O functions........................................................................................................ 76 9.2 Alternate I/O Functions ................................................................................................. 78 9.2.1 Interrupt Steering..........................................................................................................78 9.2.2 Watch Dog Timer Output..............................................................................................78 9.2.3 Power LED ...................................................................................................................79 9.2.4 General Purpose Address Decoder..............................................................................79 10. PLUG AND PLAY CONFIGURATION ...................................................................................... 80 10.1 Compatible PnP............................................................................................................ 80 10.1.1 Extended Function Registers........................................................................................80 10.1.2 Extended Functions Enable Registers (EFERs) ...........................................................81 10.1.3 Extended Function Index Registers (EFIRs), Extended Function Data Registers(EFDRs) .......................................................................................................................81 10.2 Configuration Sequence ............................................................................................... 81 10.2.1 Enter the extended function mode................................................................................81 10.2.2 Configurate the configuration registers.........................................................................82 10.2.3 Exit the extended function mode ..................................................................................82 10.2.4 Software programming example...................................................................................82 11. ACPI REGISTERS FEATURES................................................................................................ 83 12. CONFIGURATION REGISTER ................................................................................................ 84 12.1 Chip (Global) Control Register ..................................................................................... 84 12.2 Logical Device 0 (FDC)................................................................................................. 90 12.3 Logical Device 1 (Parallel Port) .................................................................................... 94 12.4 Logical Device 2 (UART A)¢) ....................................................................................... 95 12.5 Logical Device 3 (UART B)........................................................................................... 95 12.6 Logical Device 5 (KBC)................................................................................................. 97 12.7 Logical Device 7 (GP I/O Port I) ................................................................................... 98 12.8 Logical Device 8 (GP I/O Port II) ................................................................................ 101 12.9 Logical Device A (ACPI) ............................................................................................. 105 13. SPECIFICATIONS .................................................................................................................. 112 13.1 Absolute Maximum Ratings ........................................................................................ 112 13.2 DC CHARACTERISTICS............................................................................................ 112 13.3 AC Characteristics ...................................................................................................... 116 13.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec. ..............................................116 13.3.2 UART/Parallel Port .....................................................................................................118 13.3.3 Parallel Port Mode Parameters...................................................................................118 13.3.4 EPP Data or Address Read Cycle Timing Parameters...............................................119 |
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