w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 5

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

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