W83977EG-AW Datasheet, PDF (5/142 Pages) Nuvotem Talema – These products are not designed for use in life support appliances

W83977EF-AW/W83977EG-AW
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) ................................................................................... 97
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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